[Bug libfortran/35863] [F2003] Implement ENCODING=UTF-8
--- Comment #13 from burnus at gcc dot gnu dot org 2008-08-19 06:02 --- Subject: Bug 35863 Author: burnus Date: Tue Aug 19 06:00:51 2008 New Revision: 139223 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=139223 Log: 2008-08-19 Tobias Burnus [EMAIL PROTECTED] PR libfortran/35863 * io/write.c (write_a_char4): Add missing variable declaration in HAVE_CRLF block. Modified: trunk/libgfortran/ChangeLog trunk/libgfortran/io/write.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35863
[Bug tree-optimization/31079] 20% difference between ifort/gfortran, missed vectorization
--- Comment #11 from jv244 at cam dot ac dot uk 2008-08-19 06:09 --- Created an attachment (id=16095) -- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16095action=view) new testcase This (PR31079_11.f90) should be a replacement for comment #4, and illustrates the vectorizer issue. gfortran -O3 -ftree-vectorize -ffast-math -march=native PR31079_11.f90 ./a.out 4.0282512 ifort -O3 -xT PR31079_11.f90 PR31079_11.f90(52): (col. 13) remark: LOOP WAS VECTORIZED. PR31079_11.f90(52): (col. 13) remark: BLOCK WAS VECTORIZED. PR31079_11.f90(52): (col. 13) remark: LOOP WAS VECTORIZED. PR31079_11.f90(52): (col. 13) remark: LOOP WAS VECTORIZED. PR31079_11.f90(17): (col. 8) remark: LOOP WAS VECTORIZED. PR31079_11.f90(24): (col. 5) remark: BLOCK WAS VECTORIZED. PR31079_11.f90(30): (col. 7) remark: LOOP WAS VECTORIZED. PR31079_11.f90(31): (col. 7) remark: LOOP WAS VECTORIZED. ./a.out 2.640165 The inner loop looks like: DO i=1,N s(1:2)=s(1:2)+pxy(i)%a(:)*dpy(i)%a(1) s(3:4)=s(3:4)+pxy(i)%a(:)*dpy(i)%a(2) ENDDO which ifort vectorizes (I will attach the full asm): ..B3.4: # Preds ..B3.4 ..B3.3 movddup collocate_core_2_2_0_0_$DPY.0.1(%rax), %xmm2 #30.33 movddup 8+collocate_core_2_2_0_0_$DPY.0.1(%rax), %xmm4 #31.33 movapscollocate_core_2_2_0_0_$PXY.0.1(%rax), %xmm3 #30.7 mulpd %xmm3, %xmm2 #30.32 incq %rdx #29.5 addq $16, %rax #29.5 addpd %xmm2, %xmm1 #30.7 cmpq $1000, %rdx #29.5 mulpd %xmm3, %xmm4 #31.32 addpd %xmm4, %xmm0 #31.7 jl..B3.4# Prob 99% #29.5 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31079
[Bug tree-optimization/31079] 20% difference between ifort/gfortran, missed vectorization
--- Comment #12 from jv244 at cam dot ac dot uk 2008-08-19 06:11 --- Created an attachment (id=16096) -- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16096action=view) ifort's asm for PR31079_11.f90 at -O3 -xT -S -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31079
[Bug fortran/37159] New: RANDOM_SEED: PUT= check array size at compile time
The run-time library has: static const GFC_INTEGER_4 kiss_size = sizeof(kiss_seed)/sizeof(kiss_seed[0]); if (((put-dim[0].ubound + 1 - put-dim[0].lbound)) kiss_size) runtime_error (Array size of PUT is too small.); It would be great if the size could already be checked at compile time: integer size(6) CALL RANDOM_SEED(size=size(1)) print *, size(1) CALL RANDOM_SEED(put=size) end $ ./a.out 8 Fortran runtime error: Array size of PUT is too small. Note: If HAVE_GFC_REAL_16 is set, size is larger than 8. Vector too small for argument PUT (no. 2) of intrinsic RANDOM_SEED NAG f95 checks things at compile time: Error: Vector too small for argument PUT (no. 2) of intrinsic RANDOM_SEED -- Summary: RANDOM_SEED: PUT= check array size at compile time Product: gcc Version: 4.4.0 Status: UNCONFIRMED Keywords: diagnostic Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: burnus at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37159
[Bug bootstrap/37152] tree-vect-transform.c: use of = where == may have been intended
--- Comment #2 from dorit at gcc dot gnu dot org 2008-08-19 07:15 --- Subject: Bug 37152 Author: dorit Date: Tue Aug 19 07:14:26 2008 New Revision: 139224 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=139224 Log: PR bootstrap/37152 * tree-vect-transform.c (vect_create_epilog_for_reduction): Change = to == in assert statement. (vectorizable_reduction): Fix typo. Modified: trunk/gcc/ChangeLog trunk/gcc/tree-vect-transform.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37152
[Bug debug/37156] [4.3 Regression] Hang with -g -O2 (or higher) (discovered with malloc.c in sqlite3)
--- Comment #6 from jakub at gcc dot gnu dot org 2008-08-19 07:42 --- Related to PR36811, except in a different routine. -- jakub at gcc dot gnu dot org changed: What|Removed |Added AssignedTo|unassigned at gcc dot gnu |jakub at gcc dot gnu dot org |dot org | Status|UNCONFIRMED |ASSIGNED Ever Confirmed|0 |1 Last reconfirmed|-00-00 00:00:00 |2008-08-19 07:42:50 date|| Summary|Hang with -g -O2 (or higher)|[4.3 Regression] Hang with - |(discovered with malloc.c in|g -O2 (or higher) |sqlite3)|(discovered with malloc.c in ||sqlite3) Target Milestone|--- |4.3.2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37156
[Bug target/37158] Wrong insn for _mm_comieq_sd
--- Comment #1 from Joey dot ye at intel dot com 2008-08-19 08:19 ---
Check out such code in i386.c:
/* Figure out whether to use ordered or unordered fp comparisons.
Return the appropriate mode to use. */
enum machine_mode
ix86_fp_compare_mode (enum rtx_code code ATTRIBUTE_UNUSED)
{
/* ??? In order to make all comparisons reversible, we do all comparisons
non-trapping when compiling for IEEE. Once gcc is able to distinguish
all forms trapping and nontrapping comparisons, we can make inequality
comparisons trapping again, since it results in better code when using
FCOM based compares. */
return TARGET_IEEE_FP ? CCFPUmode : CCFPmode;
}
--
Joey dot ye at intel dot com changed:
What|Removed |Added
Summary| Wrong insn for |Wrong insn for _mm_comieq_sd
|_mm_comieq_sd |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37158
[Bug bootstrap/37155] [4.4 Regression] Revision 139207 failed to bootstrap on Linux/ia64
--- Comment #3 from rguenth at gcc dot gnu dot org 2008-08-19 08:38 --- Confirmed. Non-bootstrapped it fails to build 177.mesa for example. -- rguenth at gcc dot gnu dot org changed: What|Removed |Added CC||rguenth at gcc dot gnu dot ||org Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Last reconfirmed|-00-00 00:00:00 |2008-08-19 08:38:41 date|| Target Milestone|--- |4.4.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37155
[Bug tree-optimization/35972] [4.4 Regression] load-PRE missed opportunities without SFTs
--- Comment #11 from rguenth at gcc dot gnu dot org 2008-08-19 09:07 --- Fixed. -- rguenth at gcc dot gnu dot org changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution||FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35972
[Bug tree-optimization/23094] store ccp, or store copy prop misses an optimization
--- Comment #12 from rguenth at gcc dot gnu dot org 2008-08-19 09:08 --- Subject: Bug 23094 Author: rguenth Date: Tue Aug 19 09:06:54 2008 New Revision: 139226 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=139226 Log: 2008-08-19 Richard Guenther [EMAIL PROTECTED] PR tree-optimization/35972 PR tree-optimization/23094 * tree-ssa-sccvn.h (vn_reference_lookup_pieces): Add maywalk parameter. * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Properly handle MISALIGNED_INDIRECT_REF. (get_ref_from_reference_ops): New helper. (vn_reference_lookup_pieces): Walk the use-def chain using the alias-oracle if requested. * tree-ssa-pre.c (phi_translate_1): Do reference lookup with walking the use-def chain. (compute_avail): But not here. (create_component_ref_by_pieces_1): Properly handle MISALIGNED_INDIRECT_REF. (do_regular_insertion): Handle fully redundant expressions after PHI-translation also for SSA_NAME values, not only constants. Correctly use edoubleprime for that. * gcc.dg/tree-ssa/ssa-pre-19.c: New testcase. * gcc.dg/autopar/reduc-1.c: Move constant initialized arrays to global memory. * gcc.dg/autopar/reduc-1char.c: Likewise. * gcc.dg/autopar/reduc-1short.c: Likewise. * gcc.dg/autopar/reduc-2.c: Likewise. * gcc.dg/autopar/reduc-2char.c: Likewise. * gcc.dg/autopar/reduc-2short.c: Likewise. * gcc.dg/autopar/reduc-3.c: Likewise. * gcc.dg/tree-ssa/ifc-20040816-1.c: Likewise. * gcc.dg/vect/costmodel/i386/costmodel-vect-reduc-1char.c: Likewise. * gcc.dg/vect/costmodel/x86_64/costmodel-vect-reduc-1char.c: Likewise. * gcc.dg/vect/fast-math-vect-reduc-5.c: Likewise. * gcc.dg/vect/fast-math-vect-reduc-7.c: Likewise. * gcc.dg/vect/no-trapping-math-2.c: Likewise. * gcc.dg/vect/no-trapping-math-vect-111.c: Likewise. * gcc.dg/vect/no-trapping-math-vect-ifcvt-11.c: Likewise. * gcc.dg/vect/no-trapping-math-vect-ifcvt-12.c: Likewise. * gcc.dg/vect/no-trapping-math-vect-ifcvt-13.c: Likewise. * gcc.dg/vect/no-trapping-math-vect-ifcvt-14.c: Likewise. * gcc.dg/vect/no-trapping-math-vect-ifcvt-15.c: Likewise. * gcc.dg/vect/no-vfa-vect-37.c: Likewise. * gcc.dg/vect/no-vfa-vect-depend-1.c: Likewise. * gcc.dg/vect/pr18400.c: Likewise. * gcc.dg/vect/slp-12b.c: Likewise. * gcc.dg/vect/slp-14.c: Likewise. * gcc.dg/vect/slp-7.c: Likewise. * gcc.dg/vect/slp-15.c: Likewise. * gcc.dg/vect/slp-16.c: Likewise. * gcc.dg/vect/slp-17.c: Likewise. * gcc.dg/vect/slp-24.c: Likewise. * gcc.dg/vect/slp-28.c: Likewise. * gcc.dg/vect/slp-3.c: Likewise. * gcc.dg/vect/slp-34.c: Likewise. * gcc.dg/vect/slp-6.c: Likewise. * gcc.dg/vect/slp-8.c: Likewise. * gcc.dg/vect/vect-107.c: Likewise. * gcc.dg/vect/vect-108.c: Likewise. * gcc.dg/vect/vect-11.c: Likewise. * gcc.dg/vect/vect-112.c: Likewise. * gcc.dg/vect/vect-115.c: Likewise. * gcc.dg/vect/vect-11a.c: Likewise. * gcc.dg/vect/vect-34.c: Likewise. * gcc.dg/vect/vect-9.c: Likewise. * gcc.dg/vect/vect-97.c: Likewise. * gcc.dg/vect/vect-align-1.c: Likewise. * gcc.dg/vect/vect-float-extend-1.c: Likewise. * gcc.dg/vect/vect-floatint-conversion-1.c: Likewise. * gcc.dg/vect/vect-ifcvt-16.c: Likewise. * gcc.dg/vect/vect-ifcvt-17.c: Likewise. * gcc.dg/vect/vect-ifcvt-2.c: Likewise. * gcc.dg/vect/vect-ifcvt-3.c: Likewise. * gcc.dg/vect/vect-ifcvt-4.c: Likewise. * gcc.dg/vect/vect-ifcvt-5.c: Likewise. * gcc.dg/vect/vect-ifcvt-6.c: Likewise. * gcc.dg/vect/vect-ifcvt-7.c: Likewise. * gcc.dg/vect/vect-intfloat-conversion-1.c: Likewise. * gcc.dg/vect/vect-intfloat-conversion-2.c: Likewise. * gcc.dg/vect/vect-intfloat-conversion-3.c: Likewise. * gcc.dg/vect/vect-intfloat-conversion-4a.c: Likewise. * gcc.dg/vect/vect-intfloat-conversion-4b.c: Likewise. * gcc.dg/vect/vect-multitypes-2.c: Likewise. * gcc.dg/vect/vect-multitypes-5.c: Likewise. * gcc.dg/vect/vect-reduc-1.c: Likewise. * gcc.dg/vect/vect-reduc-1char.c: Likewise. * gcc.dg/vect/vect-reduc-1short.c: Likewise. * gcc.dg/vect/vect-reduc-2.c: Likewise. * gcc.dg/vect/vect-reduc-3.c: Likewise. * gcc.dg/vect/vect-shift-1.c: Likewise. * gcc.dg/vect/vect-strided-float.c: Likewise. * gcc.dg/vect/vect-strided-store-u32-i2.c: Likewise. * gcc.dg/vect/wrapv-vect-reduc-2char.c: Likewise. * gcc.dg/vect/wrapv-vect-reduc-2short.c: Likewise. * gcc.dg/tree-ssa/gen-vect-11.c: Likewise. * gcc.dg/tree-ssa/gen-vect-11a.c: Likewise.
[Bug tree-optimization/35972] [4.4 Regression] load-PRE missed opportunities without SFTs
--- Comment #12 from rguenth at gcc dot gnu dot org 2008-08-19 09:08 --- Subject: Bug 35972 Author: rguenth Date: Tue Aug 19 09:06:54 2008 New Revision: 139226 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=139226 Log: 2008-08-19 Richard Guenther [EMAIL PROTECTED] PR tree-optimization/35972 PR tree-optimization/23094 * tree-ssa-sccvn.h (vn_reference_lookup_pieces): Add maywalk parameter. * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Properly handle MISALIGNED_INDIRECT_REF. (get_ref_from_reference_ops): New helper. (vn_reference_lookup_pieces): Walk the use-def chain using the alias-oracle if requested. * tree-ssa-pre.c (phi_translate_1): Do reference lookup with walking the use-def chain. (compute_avail): But not here. (create_component_ref_by_pieces_1): Properly handle MISALIGNED_INDIRECT_REF. (do_regular_insertion): Handle fully redundant expressions after PHI-translation also for SSA_NAME values, not only constants. Correctly use edoubleprime for that. * gcc.dg/tree-ssa/ssa-pre-19.c: New testcase. * gcc.dg/autopar/reduc-1.c: Move constant initialized arrays to global memory. * gcc.dg/autopar/reduc-1char.c: Likewise. * gcc.dg/autopar/reduc-1short.c: Likewise. * gcc.dg/autopar/reduc-2.c: Likewise. * gcc.dg/autopar/reduc-2char.c: Likewise. * gcc.dg/autopar/reduc-2short.c: Likewise. * gcc.dg/autopar/reduc-3.c: Likewise. * gcc.dg/tree-ssa/ifc-20040816-1.c: Likewise. * gcc.dg/vect/costmodel/i386/costmodel-vect-reduc-1char.c: Likewise. * gcc.dg/vect/costmodel/x86_64/costmodel-vect-reduc-1char.c: Likewise. * gcc.dg/vect/fast-math-vect-reduc-5.c: Likewise. * gcc.dg/vect/fast-math-vect-reduc-7.c: Likewise. * gcc.dg/vect/no-trapping-math-2.c: Likewise. * gcc.dg/vect/no-trapping-math-vect-111.c: Likewise. * gcc.dg/vect/no-trapping-math-vect-ifcvt-11.c: Likewise. * gcc.dg/vect/no-trapping-math-vect-ifcvt-12.c: Likewise. * gcc.dg/vect/no-trapping-math-vect-ifcvt-13.c: Likewise. * gcc.dg/vect/no-trapping-math-vect-ifcvt-14.c: Likewise. * gcc.dg/vect/no-trapping-math-vect-ifcvt-15.c: Likewise. * gcc.dg/vect/no-vfa-vect-37.c: Likewise. * gcc.dg/vect/no-vfa-vect-depend-1.c: Likewise. * gcc.dg/vect/pr18400.c: Likewise. * gcc.dg/vect/slp-12b.c: Likewise. * gcc.dg/vect/slp-14.c: Likewise. * gcc.dg/vect/slp-7.c: Likewise. * gcc.dg/vect/slp-15.c: Likewise. * gcc.dg/vect/slp-16.c: Likewise. * gcc.dg/vect/slp-17.c: Likewise. * gcc.dg/vect/slp-24.c: Likewise. * gcc.dg/vect/slp-28.c: Likewise. * gcc.dg/vect/slp-3.c: Likewise. * gcc.dg/vect/slp-34.c: Likewise. * gcc.dg/vect/slp-6.c: Likewise. * gcc.dg/vect/slp-8.c: Likewise. * gcc.dg/vect/vect-107.c: Likewise. * gcc.dg/vect/vect-108.c: Likewise. * gcc.dg/vect/vect-11.c: Likewise. * gcc.dg/vect/vect-112.c: Likewise. * gcc.dg/vect/vect-115.c: Likewise. * gcc.dg/vect/vect-11a.c: Likewise. * gcc.dg/vect/vect-34.c: Likewise. * gcc.dg/vect/vect-9.c: Likewise. * gcc.dg/vect/vect-97.c: Likewise. * gcc.dg/vect/vect-align-1.c: Likewise. * gcc.dg/vect/vect-float-extend-1.c: Likewise. * gcc.dg/vect/vect-floatint-conversion-1.c: Likewise. * gcc.dg/vect/vect-ifcvt-16.c: Likewise. * gcc.dg/vect/vect-ifcvt-17.c: Likewise. * gcc.dg/vect/vect-ifcvt-2.c: Likewise. * gcc.dg/vect/vect-ifcvt-3.c: Likewise. * gcc.dg/vect/vect-ifcvt-4.c: Likewise. * gcc.dg/vect/vect-ifcvt-5.c: Likewise. * gcc.dg/vect/vect-ifcvt-6.c: Likewise. * gcc.dg/vect/vect-ifcvt-7.c: Likewise. * gcc.dg/vect/vect-intfloat-conversion-1.c: Likewise. * gcc.dg/vect/vect-intfloat-conversion-2.c: Likewise. * gcc.dg/vect/vect-intfloat-conversion-3.c: Likewise. * gcc.dg/vect/vect-intfloat-conversion-4a.c: Likewise. * gcc.dg/vect/vect-intfloat-conversion-4b.c: Likewise. * gcc.dg/vect/vect-multitypes-2.c: Likewise. * gcc.dg/vect/vect-multitypes-5.c: Likewise. * gcc.dg/vect/vect-reduc-1.c: Likewise. * gcc.dg/vect/vect-reduc-1char.c: Likewise. * gcc.dg/vect/vect-reduc-1short.c: Likewise. * gcc.dg/vect/vect-reduc-2.c: Likewise. * gcc.dg/vect/vect-reduc-3.c: Likewise. * gcc.dg/vect/vect-shift-1.c: Likewise. * gcc.dg/vect/vect-strided-float.c: Likewise. * gcc.dg/vect/vect-strided-store-u32-i2.c: Likewise. * gcc.dg/vect/wrapv-vect-reduc-2char.c: Likewise. * gcc.dg/vect/wrapv-vect-reduc-2short.c: Likewise. * gcc.dg/tree-ssa/gen-vect-11.c: Likewise. * gcc.dg/tree-ssa/gen-vect-11a.c: Likewise.
[Bug tree-optimization/23094] store ccp, or store copy prop misses an optimization
--- Comment #13 from rguenth at gcc dot gnu dot org 2008-08-19 09:10 --- Testcase in comment #10 is fixed. For the original testcase (and the copyprop variant) I still have a SCCVN patch pending. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23094
[Bug middle-end/37150] vectorizer issue
--- Comment #4 from jv244 at cam dot ac dot uk 2008-08-19 10:53 --- (In reply to comment #2) Note that the first complete unrolling pass unrolls loops that result in smaller code. This interferes with vectorization in your case, so can you try unfortunately, the patch below doesn't apply to trunk anymore. I applied it by hand, and get similar improvements like the ones observed by Tobias. Ifort: 1.54s Gfortran (unpatched) : 3.30s Gfortran (patched) : 1.94s -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37150
[Bug c++/36741] [4.3/4.4 regression] Bogus large integer implicitly truncated passing size_t constant to new
--- Comment #10 from dodji at gcc dot gnu dot org 2008-08-19 11:00 --- Created an attachment (id=16097) -- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16097action=view) 5th patch This patch makes sure the integer type used in the conversion to a zero extended unsigned integral has a precision that is high enough. regtested on x86_64. -- dodji at gcc dot gnu dot org changed: What|Removed |Added Attachment #16060|0 |1 is obsolete|| Attachment #16083|0 |1 is obsolete|| http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36741
[Bug middle-end/37150] vectorizer issue
--- Comment #5 from jv244 at cam dot ac dot uk 2008-08-19 11:36 --- Created an attachment (id=16098) -- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16098action=view) ifort asm added the ifort asm. The remaining difference seems to be related to how data is being loaded in the registers -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37150
[Bug debug/37156] [4.3 Regression] Hang with -g -O2 (or higher) (discovered with malloc.c in sqlite3)
--- Comment #7 from jakub at gcc dot gnu dot org 2008-08-19 11:46 --- Subject: Bug 37156 Author: jakub Date: Tue Aug 19 11:44:42 2008 New Revision: 139230 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=139230 Log: PR debug/37156 * pretty-print.c (pp_base_format): Deal with recursive BLOCK trees. * tree.c (block_nonartificial_location): Likewise. * error.c (cp_print_error_function): Deal with recursive BLOCK trees. * gcc.dg/pr37156.c: New test. Added: trunk/gcc/testsuite/gcc.dg/pr37156.c Modified: trunk/gcc/ChangeLog trunk/gcc/cp/ChangeLog trunk/gcc/cp/error.c trunk/gcc/pretty-print.c trunk/gcc/testsuite/ChangeLog trunk/gcc/tree.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37156
[Bug debug/37156] [4.3 Regression] Hang with -g -O2 (or higher) (discovered with malloc.c in sqlite3)
--- Comment #8 from jakub at gcc dot gnu dot org 2008-08-19 11:51 --- Subject: Bug 37156 Author: jakub Date: Tue Aug 19 11:50:11 2008 New Revision: 139231 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=139231 Log: PR debug/37156 * pretty-print.c (pp_base_format): Deal with recursive BLOCK trees. * tree.c (block_nonartificial_location): Likewise. * error.c (cp_print_error_function): Deal with recursive BLOCK trees. * gcc.dg/pr37156.c: New test. Added: branches/gcc-4_3-branch/gcc/testsuite/gcc.dg/pr37156.c Modified: branches/gcc-4_3-branch/gcc/ChangeLog branches/gcc-4_3-branch/gcc/cp/ChangeLog branches/gcc-4_3-branch/gcc/cp/error.c branches/gcc-4_3-branch/gcc/pretty-print.c branches/gcc-4_3-branch/gcc/testsuite/ChangeLog branches/gcc-4_3-branch/gcc/tree.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37156
[Bug debug/37156] [4.3 Regression] Hang with -g -O2 (or higher) (discovered with malloc.c in sqlite3)
--- Comment #9 from jakub at gcc dot gnu dot org 2008-08-19 11:52 --- Fixed. -- jakub at gcc dot gnu dot org changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution||FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37156
[Bug libstdc++/37160] New: Handling of badly formatted double
The following program:
#include iostream
#include sstream
#include istream
#include ostream
#include string
#include stdio.h
#include errno.h
int main(int argc, char* argv[]) {
++argv;
for (; *argv != 0; ++argv) {
std::cout Input: | *argv |\n;
std::istringstream is(*argv);
double d = 0;
is d;
if (!is) {
if (is.fail()) std::coutfail() after is d\n;
if (is.eof()) std::couteof() after is d\n;
if (is.bad()) std::coutbad() after is d\n;
is.clear();
}
std::cout d - d '\n';
std::string s;
if (std::getline(is, s)) {
std::coutstill to read: | s |\n;
} else {
if (is.fail()) std::coutfail() after getline(is, s)\n;
if (is.eof()) std::couteof() after getline(is, s)\n;
if (is.bad()) std::coutbad() after getline(is, s)\n;
}
}
}
compiled with g++ 4.2.4 on Linux (I've tried also various other versions on
Linux and Solaris, they all had the same behavior) has the following result:
./a.out 1.e x 1.e+ x 1.e.e. x
Input: |1.e x|
d - 1
still to read: | x|
Input: |1.e+ x|
d - 1
still to read: | x|
Input: |1.e.e. x|
d - 1
still to read: |.e. x|
I'd have expected either a failure and consuming the badly formed double, or a
success and the first e remaining in the input. I've tried the same program
with Sun CC on Linux and Solaris and with IBM xlC, I get the first behavior I
expected:
./a.out 1.e x 1.e+ x 1.e.e. x
Input: |1.e x|
fail() after is d
d - 0
still to read: | x|
Input: |1.e+ x|
fail() after is d
d - 0
still to read: | x|
Input: |1.e.e. x|
fail() after is d
d - 0
still to read: |.e. x|
--
Summary: Handling of badly formatted double
Product: gcc
Version: 4.2.4
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: jm at bourguet dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37160
[Bug target/37157] [4.4 Regression] Wrong insn for _mm_unpackhi_epi64
--- Comment #2 from hjl at gcc dot gnu dot org 2008-08-19 12:50 --- Subject: Bug 37157 Author: hjl Date: Tue Aug 19 12:49:28 2008 New Revision: 139232 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=139232 Log: gcc/ 2008-08-19 H.J. Lu [EMAIL PROTECTED] PR target/37157 * config/i386/sse.md (sse2_punpckhqdq, sse2_punpcklqdq): Moved before (sse2_shufpd_mode). gcc/testsuite/ 2008-08-19 H.J. Lu [EMAIL PROTECTED] PR target/37157 * gcc.target/i386/sse2-unpack-1.c: New. Added: trunk/gcc/testsuite/gcc.target/i386/sse2-unpack-1.c Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/sse.md trunk/gcc/testsuite/ChangeLog -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37157
[Bug tree-optimization/31079] 20% difference between ifort/gfortran, missed vectorization
--- Comment #13 from jv244 at cam dot ac dot uk 2008-08-19 13:31 --- (In reply to comment #11) This (PR31079_11.f90) should be a replacement for comment #4, and illustrates the vectorizer issue. The patch Richard posted in PR37150 also improves this PR31079_11.f90 testcase a lot: ifort : 2.54 gfortran (unpatched): 4.00 gfortran (patched) : 2.96 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31079
[Bug c++/11078] [ABI] decltype(T()) doesn't work
--- Comment #29 from aldot at gcc dot gnu dot org 2008-08-19 13:43 --- 4.3.1 and later give: GNU C++ (Debian 4.3.1-8) version 4.3.1 (i486-linux-gnu) compiled by GNU C version 4.3.1, GMP version 4.2.2, MPFR version 2.3.1. GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 Compiler executable checksum: 1a96b3b5ffa5cfd9037de3acec5e6692 known.C: In instantiation of __typeof__ ((T1() + T2())) add(T1, T2) [with T1 = double, T2 = char]: known.C:3: instantiated from here known.C:2: sorry, unimplemented: mangling typeof, use decltype instead -- aldot at gcc dot gnu dot org changed: What|Removed |Added Known to work||4.3.1 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11078
[Bug libstdc++/37160] Handling of badly formatted double
--- Comment #1 from jm at bourguet dot org 2008-08-19 13:45 --- I had tested with previous versions. I've just tested with g++ 4.3.1, it has the same behaviour as previous g++ versions. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37160
[Bug middle-end/37150] vectorizer issue
--- Comment #6 from jv244 at cam dot ac dot uk 2008-08-19 13:50 --- Created an attachment (id=16099) -- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16099action=view) non-reduced testcase unfortunately, on the non-reduced testcase (attached as collocate_fast_2.f90) the vectorization does not trigger :-( I guess that this is due to the more complex loop structure ? It would be really great if this could be made to work. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37150
[Bug middle-end/37161] New: [4.4 Regression]: Revision 139225 caused gfortran.dg/vect/pr33301.f -O
On Linux/ia32, I saw Running target unix/-m32 FAIL: gfortran.dg/vect/pr33301.f -O (internal compiler error) FAIL: gfortran.dg/vect/pr33301.f -O (test for excess errors) -- Summary: [4.4 Regression]: Revision 139225 caused gfortran.dg/vect/pr33301.f -O Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hjl dot tools at gmail dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37161
[Bug tree-optimization/29738] Missed constant propagation into loops
--- Comment #12 from rguenth at gcc dot gnu dot org 2008-08-19 15:02 --- Disabled/xfailed with URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=139234 Log: 2008-08-19 Richard Guenther [EMAIL PROTECTED] * passes.c (init_optimization_passes): Exchange store-ccp with a ccp pass. * gcc.dg/tree-ssa/ssa-ccp-14.c: XFAIL. -- rguenth at gcc dot gnu dot org changed: What|Removed |Added Severity|normal |enhancement Status|RESOLVED|REOPENED Keywords||xfail Resolution|FIXED | Target Milestone|4.3.0 |--- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29738
[Bug tree-optimization/29738] Missed constant propagation into loops
-- rguenth at gcc dot gnu dot org changed: What|Removed |Added AssignedTo|rakdver at gcc dot gnu dot |unassigned at gcc dot gnu |org |dot org Status|REOPENED|NEW http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29738
[Bug bootstrap/37155] [4.4 Regression] Revision 139207 failed to bootstrap on Linux/ia64
--- Comment #4 from matz at gcc dot gnu dot org 2008-08-19 15:14 --- HARD_REGNO_MODE_OK doesn't accept reg 328, but it should as demonstrated here. Potential patch for this at http://gcc.gnu.org/ml/gcc-patches/2008-08/msg01289.html . -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37155
[Bug target/37162] New: [4.4 Regression] gcc.c-torture/compile/20020120-1.c fails with ICE on -O[23s]
gcc.c-torture/compile/20020120-1.c fails with ICE on -O[23s] and gives segfault. It is known to fail on trunk revision 139231. Test is known successful on trunk revision 139194. -- Summary: [4.4 Regression] gcc.c-torture/compile/20020120-1.c fails with ICE on -O[23s] Product: gcc Version: 4.4.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: eric dot weddington at atmel dot com GCC host triplet: i686-pc-linux-gnu GCC target triplet: avr-*-* http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37162
[Bug tree-optimization/37021] Fortran Complex reduction / multiplication not vectorized
--- Comment #2 from rguenth at gcc dot gnu dot org 2008-08-19 15:29 ---
3) is because data-ref requires a constant step
else if (!simple_iv (loop, stmt, poffset, offset_iv, false))
{
if (dump_file (dump_flags TDF_DETAILS))
fprintf (dump_file, failed: evolution of offset is not affine.\n);
return;
but the step is (unnamed-signed:64) ((unnamed-unsigned:64) stride.3_36 *
16)
as we are dealing with general incoming arrays which are arbitrary striped.
Fixing this requires for example versioning for a constant stride.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37021
[Bug target/37163] New: [4.4 Regression] gcc.c-torture/compile/pr32606.c fails with ICE on -O[23s]
gcc.c-torture/compile/pr32606.c fails with ICE on -Os and gives segfault. It is known to fail on trunk revision 139231. Test is known successful on trunk revision 139194. -- Summary: [4.4 Regression] gcc.c-torture/compile/pr32606.c fails with ICE on -O[23s] Product: gcc Version: 4.4.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: eric dot weddington at atmel dot com GCC host triplet: i686-pc-linux-gnu GCC target triplet: avr-*-* http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37163
[Bug target/37157] [4.4 Regression] Wrong insn for _mm_unpackhi_epi64
--- Comment #3 from hjl dot tools at gmail dot com 2008-08-19 15:48 --- Fixed. -- hjl dot tools at gmail dot com changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution||FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37157
[Bug target/37164] New: [4.4 Regression] gcc.c-torture/execute/ieee/fp-cmp-4.c fails with ICE on -O3
gcc.c-torture/execute/ieee/fp-cmp-4.c fails with ICE on -O3 and gives segfault. It is known to fail on trunk revision 139231. Test is known successful on trunk revision 139194. -- Summary: [4.4 Regression] gcc.c-torture/execute/ieee/fp-cmp-4.c fails with ICE on -O3 Product: gcc Version: 4.4.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: eric dot weddington at atmel dot com GCC host triplet: i686-pc-linux-gnu GCC target triplet: avr-*-* http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37164
[Bug middle-end/37165] New: [4.4 Regression] FAIL: gcc.dg/matrix/matrix-1.c scan-ipa-dump-times matrix-reorg Flattened 3 dimensions 1
FAIL: gcc.dg/matrix/matrix-1.c scan-ipa-dump-times matrix-reorg Flattened 3 dimensions 1. Known to fail on trunk revision 139177. Known to succeed on trunk revision 139150. Output file only shows Flattened 2 dimensions, not 3. -- Summary: [4.4 Regression] FAIL: gcc.dg/matrix/matrix-1.c scan- ipa-dump-times matrix-reorg Flattened 3 dimensions 1 Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: eric dot weddington at atmel dot com GCC host triplet: i686-pc-linux-gnu GCC target triplet: avr-*-* http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37165
[Bug middle-end/37165] [4.4 Regression] FAIL: gcc.dg/matrix/matrix-1.c scan-ipa-dump-times matrix-reorg Flattened 3 dimensions 1
--- Comment #1 from eric dot weddington at atmel dot com 2008-08-19 16:16 --- Created an attachment (id=16100) -- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16100action=view) Output file of the test case. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37165
[Bug bootstrap/37155] [4.4 Regression] Revision 139207 failed to bootstrap on Linux/ia64
--- Comment #5 from hjl dot tools at gmail dot com 2008-08-19 16:23 --- (In reply to comment #4) HARD_REGNO_MODE_OK doesn't accept reg 328, but it should as demonstrated here. Potential patch for this at http://gcc.gnu.org/ml/gcc-patches/2008-08/msg01289.html . It doesn't solve the problem completely. I can bootstrap gcc. But I got [EMAIL PROTECTED] gcc]$ /export/build/gnu/gcc/build-ia64-linux/gcc/xgcc -B/export/build/gnu/gcc/build-ia64-linux/gcc/ -O1 -w -fno-show-column -c -o pr19357.o /net/gnu-13/export/gnu/src/gcc/gcc/gcc/testsuite/gcc.c-torture/compile/pr19357.c /net/gnu-13/export/gnu/src/gcc/gcc/gcc/testsuite/gcc.c-torture/compile/pr19357.c: In function ftest: /net/gnu-13/export/gnu/src/gcc/gcc/gcc/testsuite/gcc.c-torture/compile/pr19357.c:6: internal compiler error: in gen_rtx_SUBREG, at emit-rtl.c:777 Please submit a full bug report, with preprocessed source if appropriate. See http://gcc.gnu.org/bugs.html for instructions. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37155
[Bug libstdc++/37160] Handling of badly formatted double
--- Comment #2 from paolo dot carlini at oracle dot com 2008-08-19 17:49 --- *** This bug has been marked as a duplicate of 32422 *** -- paolo dot carlini at oracle dot com changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution||DUPLICATE http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37160
[Bug libstdc++/32422] Problem reading floats with exponent marker but no exponent
--- Comment #2 from paolo dot carlini at oracle dot com 2008-08-19 17:49 --- *** Bug 37160 has been marked as a duplicate of this bug. *** -- paolo dot carlini at oracle dot com changed: What|Removed |Added CC||jm at bourguet dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32422
[Bug c++/11078] [ABI] decltype(T()) doesn't work
--- Comment #30 from paolo dot carlini at oracle dot com 2008-08-19 17:52 --- Yes, this can be considered fixed. -- paolo dot carlini at oracle dot com changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution||FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11078
[Bug tree-optimization/37166] New: variable is still committed to stack even though it is not aliased
Testcase:
struct f { int a; };
int g(struct f *b, struct f *c)
{
struct f g;
if (!b) {
b = g;
b-a = c-a + 1;
c-a = c-a + 1;
}
else if (!c) {
c = g;
c-a = b-a + 1;
b-a = b-a + 1;
}
return c-a + b-a;
}
--- CUT ---
After some changes on the trunk, we get:
bb 2:
if (b == 0B)
goto bb 3;
else
goto bb 4;
bb 3:
g.a = [plus_expr] c-a + 1;
prephitmp.13 = c-a + 1;
c-a = prephitmp.13;
prephitmp.25 = g.a;
goto bb 7;
bb 4:
if (c == 0B)
goto bb 6;
else
goto bb 5;
bb 5:
prephitmp.13 = c-a;
prephitmp.25 = b-a;
goto bb 7;
bb 6:
g.a = [plus_expr] b-a + 1;
prephitmp.25 = b-a + 1;
b-a = prephitmp.25;
prephitmp.13 = g.a;
bb 7:
return prephitmp.25 + prephitmp.13;
--- CUT ---
Notice how g.a is still referenced. This comes from
# b_1 = PHI g(3), b_3(D)(7), b_3(D)(5)
Being in the IR after PRE even though b_1 is no longer referenced.
So for 32bit PPC we get a stack adjustment:
stwu %r1,-32(%r1)
..
addi %r1,%r1,32
Even though there is no need for this adjustment as nothing touches the stack
but the variable g is still being marked with TREE_ADDRESSABLE as evident by:
Partition 0: size 4 align 4
g, offset 0
in the .expand dump.
--
Summary: variable is still committed to stack even though it is
not aliased
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Keywords: missed-optimization
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pinskia at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37166
[Bug preprocessor/7263] __extension__ keyword doesn't suppress warning on LL or ULL constants
--- Comment #17 from tromey at gcc dot gnu dot org 2008-08-19 19:28 --- Maybe libcpp could have a mode where it also recognizes the __extension__ token? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=7263
[Bug tree-optimization/37166] variable is still committed to stack even though it is not aliased
--- Comment #1 from rguenth at gcc dot gnu dot org 2008-08-19 19:31 --- Confirmed. After PRE is the last time we recompute aliasing (and the set of addressable vars). -- rguenth at gcc dot gnu dot org changed: What|Removed |Added CC||rguenth at gcc dot gnu dot ||org Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Last reconfirmed|-00-00 00:00:00 |2008-08-19 19:31:28 date|| http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37166
[Bug preprocessor/7263] __extension__ keyword doesn't suppress warning on LL or ULL constants
--- Comment #18 from manu at gcc dot gnu dot org 2008-08-19 19:50 --- (In reply to comment #17) Maybe libcpp could have a mode where it also recognizes the __extension__ token? It would definitely need to recognize __extension__. But it doesn't seem easy to implement this. If we make it apply just to the next token, we would need to reset it just after lexing the token after the next. For example, the C front-end asks CPP for next token. It is __extension__ so CPP disables pedantic and returns it to the front-end. C front-end asks for another token. It is 0x1b27da572ef3cd86ULL. We cannot reset pedantic here because after getting the token, the C front-end may call CPP for further analysis (e.g., cpp_classify_number). We would have to wait for the front-end to ask for yet another token and then reset pedantic. Should the diagnostics in cpp_classify_number really be given by CPP? If so, why cpp_classify_number is not called by CPP itself? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=7263
[Bug c++/37167] New: C++ gives bogus error message (aliased to undefined symbol)
This seems to be caused by the unit-at-a-time changes, the following program
compiled cleanly with -O2 at version 138139 but gives an error message when
compiled (with -O2) at version 138140. I found it on IA64 HP-UX but was able
to reproduce it on x86_64 Linux.
class A { };
class B : public virtual A { };
class C { public: virtual class A* foo() const; };
class D : public virtual C { public: virtual struct B* foo() const; };
class B* D::foo() const { return 0; }
-
x.cpp:7: error: 'B* *.LTHUNK1() const' aliased to undefined symbol
'_ZTch0_v0_n24_NK1D3fooEv
--
Summary: C++ gives bogus error message (aliased to undefined
symbol)
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: sje at cup dot hp dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37167
[Bug c/37168] New: ICE: in final_scan_insn, at final.c:2615 (altivec)
Problem when compiling altivec vectors with #define value. Source will be attached. Note: Patch is not triggered if you change the #define value gcc -c is included in source file and recopied here : Using built-in specs. Target: powerpc64-unknown-linux-gnu Configured with: /var/tmp/portage/sys-devel/gcc-4.3.1-r1/work/gcc-4.3.1/configure --prefix=/usr --bindir=/usr/powerpc64-unknown-linux-gnu/gcc-bin/4.3.1--includedir=/usr/lib/gcc/powerpc64-unknown-linux-gnu/4.3.1/include --datadir=/usr/share/gcc-data/powerpc64-unknown-linux-gnu/4.3.1 --mandir=/usr/share/gcc-data/powerpc64-unknown-linux-gnu/4.3.1/man --infodir=/usr/share/gcc-data/powerpc64-unknown-linux-gnu/4.3.1/info --with-gxx-include-dir=/usr/lib/gcc/powerpc64-unknown-linux-gnu/4.3.1/include/g++-v4 --host=powerpc64-unknown-linux-gnu --build=powerpc64-unknown-linux-gnu --enable-altivec --enable-nls --without-included-gettext --with-system-zlib --disable-checking --disable-werror --enable-secureplt --disable-multilib --enable-libmudflap --disable-libssp --enable-cld --disable-libgcj --enable-languages=c,c++,treelang,fortran --enable-shared --enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu --with-bugurl=http://bugs.gentoo.org/ --with-pkgversion='Gentoo 4.3.1-r1' Thread model: posix gcc version 4.3.1 (Gentoo 4.3.1-r1) -- Summary: ICE: in final_scan_insn, at final.c:2615 (altivec) Product: gcc Version: 4.3.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: leligeour at ensiie dot fr GCC host triplet: powerpc64-unknown-linux-gnu GCC target triplet: powerpc64-unknown-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37168
[Bug c/37168] ICE: in final_scan_insn, at final.c:2615 (altivec)
--- Comment #1 from leligeour at ensiie dot fr 2008-08-19 22:59 --- Created an attachment (id=16101) -- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16101action=view) test.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37168
[Bug c/37168] ICE: in final_scan_insn, at final.c:2615 (altivec)
--- Comment #2 from leligeour at ensiie dot fr 2008-08-19 22:59 --- Created an attachment (id=16102) -- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16102action=view) test.i -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37168
[Bug target/37168] [4.3/4.4 Regression] ICE: in final_scan_insn, at final.c:2615 (altivec)
--- Comment #3 from pinskia at gcc dot gnu dot org 2008-08-19 23:03 ---
Short testcase:
void _erfcf4(void)
{
__attribute__((altivec(vector__))) float xsqu;
__attribute__((altivec(vector__))) float tresult;
{ tresult = __builtin_vec_madd(tresult, xsqu,
(__attribute__((altivec(vector__))) float)
{3.68249351546114573519399405666776E-44f,
3.68249351546114573519399405666776E-44f,
3.68249351546114573519399405666776E-44f,
3.68249351546114573519399405666776E-44f}); };
}
Confirmed.
--
pinskia at gcc dot gnu dot org changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
GCC host triplet|powerpc64-unknown-linux-gnu |
GCC target triplet|powerpc64-unknown-linux-gnu |powerpc*-*-*
Keywords||ice-on-valid-code
Last reconfirmed|-00-00 00:00:00 |2008-08-19 23:03:11
date||
Summary|ICE: in final_scan_insn, at |[4.3/4.4 Regression] ICE: in
|final.c:2615 (altivec) |final_scan_insn, at
||final.c:2615 (altivec)
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37168
[Bug target/37168] [4.3/4.4 Regression] ICE: in final_scan_insn, at final.c:2615 (altivec)
-- pinskia at gcc dot gnu dot org changed: What|Removed |Added Known to fail||4.4.0 Known to work||4.1.1 Target Milestone|--- |4.3.2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37168
[Bug target/37168] [4.3/4.4 Regression] ICE: in final_scan_insn, at final.c:2615 (altivec)
--- Comment #4 from pinskia at gcc dot gnu dot org 2008-08-19 23:06 --- Note the vector is representable by addition of two constant vectors integer word 13 spatted. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37168
[Bug target/37169] New: [4.4 Regression] Inefficent code for _mm_cvtsi64_si128
[EMAIL PROTECTED] i386]$ cat x.c
/* { dg-do run } */
/* { dg-options -O2 -msse2 } */
#include emmintrin.h
__m128i
test (long long b)
{
return _mm_cvtsi64_si128 (b);
}
[EMAIL PROTECTED] i386]$
/export/build/gnu/gcc-avx-internal/build-x86_64-linux/gcc/xgcc
-B/export/build/gnu/gcc-avx-internal/build-x86_64-linux/gcc/ -DDEBUG -Wall
-Werror -mfpmath=sse x.c -S -O2 -msse4 -march=core2
[EMAIL PROTECTED] i386]$ cat x.s
.file x.c
.text
.p2align 4,,15
.globl test
.type test, @function
test:
.LFB493:
.cfi_startproc
pxor%xmm0, %xmm0
pinsrq $0, %rdi, %xmm0
ret
.cfi_endproc
.LFE493:
.size test, .-test
[EMAIL PROTECTED] i386]$
Gcc 4.3 generates
[EMAIL PROTECTED] i386]$ gcc x.c -S -O2 -msse4 [EMAIL PROTECTED] i386]$ cat
x.s
.file x.c
.text
.p2align 4,,15
.globl test
.type test, @function
test:
.LFB518:
movq%rdi, %xmm0
ret
--
Summary: [4.4 Regression] Inefficent code for _mm_cvtsi64_si128
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: hjl dot tools at gmail dot com
GCC target triplet: x86_64-unknown-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37169
[Bug middle-end/37170] New: [4.4 Regression]: gcc.dg/weak/weak-1.c
With 139231 this test passed. With 139233 and on, I now see for cris-elf: Running /tmp/hpautotest-gcc1/gcc/gcc/testsuite/gcc.dg/weak/weak.exp ... FAIL: gcc.dg/weak/weak-1.c scan-assembler weak[^ \t]*[ \t]_?j I see this regression in posted testresults from ia64 and powerpc64 too. Apparently, this is caused by revision 139233 which appears to rely on output_operand to catch all weaks, but the change to output_operand on July 21 to call assemble_external is incomplete and only works for targets where variable references are always wrapped in exactly one MEM around a symbol_ref. (Missing cases of multiple mems, or where symbol_ref¨s aren't valid addresses and offset references). I'm testing a patch. -- Summary: [4.4 Regression]: gcc.dg/weak/weak-1.c Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hp at gcc dot gnu dot org GCC host triplet: x86_64-unknown-linux-gnu GCC target triplet: cris-axis-elf http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37170
[Bug middle-end/37170] [4.4 Regression]: gcc.dg/weak/weak-1.c
-- hp at gcc dot gnu dot org changed: What|Removed |Added AssignedTo|unassigned at gcc dot gnu |hp at gcc dot gnu dot org |dot org | Status|UNCONFIRMED |ASSIGNED Ever Confirmed|0 |1 Last reconfirmed|-00-00 00:00:00 |2008-08-20 00:46:02 date|| http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37170
[Bug target/37169] [4.4 Regression] Inefficent code for _mm_cvtsi64_si128
--- Comment #1 from hjl dot tools at gmail dot com 2008-08-20 01:39 --- A patch is posted at http://gcc.gnu.org/ml/gcc-patches/2008-08/msg01351.html -- hjl dot tools at gmail dot com changed: What|Removed |Added URL||http://gcc.gnu.org/ml/gcc- ||patches/2008- ||08/msg01351.html http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37169
[Bug testsuite/36889] [4.4 regression] gfortran.fortran-torture/execute/execute.exp tries to run sse2 execute tests without checking for host support
--- Comment #2 from brian at dessent dot net 2008-08-20 02:16 --- (added testsuite maintainer on CC) Well now you know one. I understand that this may not affect most gcc developers. However it does affect casual volunteers who run the testsuite. By polluting the results with spurious fails it makes the results less useful, and this sends the general message that volunteers running the testsuite on old/spare hardware is not welcome. I don't think that is a message you want to be sending at all and indeed I seriously doubt that there was any such intent with the changes. Rather, I think there is simply an undetected bug that was not caught exactly because most developers have newish machines. -- brian at dessent dot net changed: What|Removed |Added CC||janis at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36889
[Bug regression/37171] New: [4.4 Regression] Canonical spelling optimization dependency
The recent patch * c-parser.c (c_lex_one_token): Do not store the canonical spelling for keywords. causes a significant performance regression on SPEC CPU2000 197.parser. With the above patch, the libc function __ctype_b_loc is called significantly more times, spending twice the number of cycles in that function. Profiling shows 94K hits for fast version and 190K hits for slow version. We suspect that this may involve the toupper() calls in strncasecmp.c. Apparently the canonical name is necessary for some GCC optimization, possibly the automatic substitution of builtins. -- Summary: [4.4 Regression] Canonical spelling optimization dependency Product: gcc Version: 4.4.0 Status: UNCONFIRMED Keywords: missed-optimization Severity: normal Priority: P3 Component: regression AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: dje at gcc dot gnu dot org GCC build triplet: powerpc*-*-* GCC host triplet: powerpc*-*-* GCC target triplet: powerpc*-*-* http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37171
[Bug regression/37171] [4.4 Regression] Canonical spelling optimization dependency
--- Comment #1 from dje at gcc dot gnu dot org 2008-08-20 02:25 --- confirmed -- dje at gcc dot gnu dot org changed: What|Removed |Added Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Last reconfirmed|-00-00 00:00:00 |2008-08-20 02:25:37 date|| http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37171
[Bug c++/37172] New: g++ should not cast const iterator to non-const by default
The following c++ source file compiled by gcc without any warnings/errors with
the flags -c -W -Wall -
// start ---
#includestring
#includeset
using namespace std;
class A0
{
public:
typedef setint Groups;
typedef Groups::const_iterator ConstIterator;
typedef Groups::iteratorIterator;
public:
ConstIterator get() const { return values.begin(); }
Iterator get() { return values.begin(); }
private:
Groups values;
};
class A1
{
public:
A1(A0* b) : a(b) {}
void f1() { A0::ConstIterator itr = a-get(); }
void g1() { A0::Iterator itr = a-get(); } // error with vc++ 8.0
private:
const A0 *a;
};
// end ---
However, the same code causes visual c++ 8.0 (visual studio 2005) to report
compilation error in the function g1() since it refuses to cast a const
iterator to non-const by default.
It seems that the behavior of gcc is incorrect and vc++ 8.0 is doing the right
thing since in the function g1(), the const pointer 'a' is only allowed to
invoke the const version of A0::get() which in turn would return a const
iterator. Unfortunately, gcc is automatically casting the returned const
iterator to a non-const iterator.
--
Summary: g++ should not cast const iterator to non-const by
default
Product: gcc
Version: 4.3.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: nilmonid at gmail dot com
GCC build triplet: x86
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37172
[Bug fortran/37173] New: Check whether intrinsic assignment between character kind=1 / 4 is allowed
The Reply to the comments to the Fortran 2008 Candidate Draft, http://www.j3-fortran.org/doc/year/08/08-272.html, contains: Unfortunately, the premise that intrinsic assignement between character variables of different kind is allowed is wrong. See table 7.10 on page 152 of the draft: Type conformance for the intrinsic assignment. Character assignments are only allowed for the same kind type parameter. J3 believes the mapping between characters of different kind is difficult to define. Consequently, J3 declines to make this addition. If I understand the reply correctly, the following is invalid: character(kind=1) :: str = 4_'Hello' We should check and reject it with -std=f* if it turns out to be invalid. -- Summary: Check whether intrinsic assignment between character kind=1 / 4 is allowed Product: gcc Version: 4.4.0 Status: UNCONFIRMED Keywords: diagnostic Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: burnus at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37173
