[Bug rtl-optimization/61446] [4.10 Regression]: ICE in copyprop_hardreg_forward_1, at regcprop.c with -O2 -m32 -march=corei7
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61446 --- Comment #10 from uros at gcc dot gnu.org --- Author: uros Date: Wed Jun 18 20:01:37 2014 New Revision: 211803 URL: https://gcc.gnu.org/viewcvs?rev=211803&root=gcc&view=rev Log: Backport from mainline 2014-06-06 Uros Bizjak PR target/61423 * config/i386/i386.md (*floatunssi2_i387_with_xmm): New define_insn_and_split pattern, merged from *floatunssi2_1 and corresponding splitters. Zero extend general register or memory input operand to XMM temporary. Enable for TARGET_SSE2 and TARGET_INTER_UNIT_MOVES_TO_VEC only. (floatunssi2): Update expander predicate. testsuite/ChangeLog: Backport from mainline 2014-06-13 Ilya Enkovich PR rtl-optimization/61094 PR rtl-optimization/61446 * gcc.target/i386/pr61446.c : New. Backport from mainline 2014-06-06 Uros Bizjak PR target/61423 * gcc.target/i386/pr61423.c: New test. Added: branches/gcc-4_8-branch/gcc/testsuite/gcc.target/i386/pr61423.c branches/gcc-4_8-branch/gcc/testsuite/gcc.target/i386/pr61446.c Modified: branches/gcc-4_8-branch/gcc/ChangeLog branches/gcc-4_8-branch/gcc/config/i386/i386.md branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
[Bug rtl-optimization/61446] [4.10 Regression]: ICE in copyprop_hardreg_forward_1, at regcprop.c with -O2 -m32 -march=corei7
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61446 --- Comment #9 from Jeffrey A. Law --- Author: law Date: Fri Jun 13 16:50:10 2014 New Revision: 211652 URL: https://gcc.gnu.org/viewcvs?rev=211652&root=gcc&view=rev Log: 2014-06-13 Jeff Law PR rtl-optimization/61094 PR rtl-optimization/61446 * ree.c (combine_reaching_defs): Get the mode for the copy from the extension insn rather than the defining insn. 2014-06-13 Ilya Enkovich PR rtl-optimization/61094 PR rtl-optimization/61446 * gcc.target/i386/pr61446.c : New. Added: branches/gcc-4_9-branch/gcc/testsuite/gcc.target/i386/pr61446.c Modified: branches/gcc-4_9-branch/gcc/ChangeLog branches/gcc-4_9-branch/gcc/ree.c branches/gcc-4_9-branch/gcc/testsuite/ChangeLog
[Bug rtl-optimization/61446] [4.10 Regression]: ICE in copyprop_hardreg_forward_1, at regcprop.c with -O2 -m32 -march=corei7
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61446 Jeffrey A. Law changed: What|Removed |Added Status|NEW |RESOLVED CC||law at redhat dot com Resolution|--- |FIXED --- Comment #8 from Jeffrey A. Law --- Should be fixed on the trunk with most recent checkin.
[Bug rtl-optimization/61446] [4.10 Regression]: ICE in copyprop_hardreg_forward_1, at regcprop.c with -O2 -m32 -march=corei7
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61446 --- Comment #7 from Jeffrey A. Law --- Author: law Date: Fri Jun 13 16:40:48 2014 New Revision: 211649 URL: https://gcc.gnu.org/viewcvs?rev=211649&root=gcc&view=rev Log: 2014-06-13 Jeff Law PR rtl-optimization/61094 PR rtl-optimization/61446 * ree.c (combine_reaching_defs): Get the mode for the copy from the extension insn rather than the defining insn. 2014-06-13 Ilya Enkovich PR rtl-optimization/61094 PR rtl-optimization/61446 * gcc.target/i386/pr61446.c : New. Added: trunk/gcc/testsuite/gcc.target/i386/pr61446.c Modified: trunk/gcc/ChangeLog trunk/gcc/ree.c trunk/gcc/testsuite/ChangeLog
[Bug rtl-optimization/61446] [4.10 Regression]: ICE in copyprop_hardreg_forward_1, at regcprop.c with -O2 -m32 -march=corei7
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61446 Richard Biener changed: What|Removed |Added CC||juergen.reuter at desy dot de --- Comment #6 from Richard Biener --- *** Bug 61477 has been marked as a duplicate of this bug. ***
[Bug rtl-optimization/61446] [4.10 Regression]: ICE in copyprop_hardreg_forward_1, at regcprop.c with -O2 -m32 -march=corei7
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61446 --- Comment #5 from Dominique d'Humieres --- This pr has been exposed by revision r211321 and breaks bootstrap on all targets configured for Core* (including darwin which is configured by default for Core2, see pr61477).
[Bug rtl-optimization/61446] [4.10 Regression]: ICE in copyprop_hardreg_forward_1, at regcprop.c with -O2 -m32 -march=corei7
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61446 --- Comment #4 from Dominique d'Humieres --- > Proposed patch at [1]. > > [1] https://gcc.gnu.org/ml/gcc-patches/2014-06/msg00775.html This patch fixes bootstrap on Core* targets.
[Bug rtl-optimization/61446] [4.10 Regression]: ICE in copyprop_hardreg_forward_1, at regcprop.c with -O2 -m32 -march=corei7
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61446 --- Comment #3 from Uroš Bizjak --- Proposed patch at [1]. [1] https://gcc.gnu.org/ml/gcc-patches/2014-06/msg00775.html
[Bug rtl-optimization/61446] [4.10 Regression]: ICE in copyprop_hardreg_forward_1, at regcprop.c with -O2 -m32 -march=corei7
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61446
--- Comment #2 from Uroš Bizjak ---
(In reply to Dominique d'Humieres from comment #1)
> This breaks bootstrap on x86_64-apple-darwin13 and other targets (see
> https://gcc.gnu.org/ml/gcc-regression/2014-06/). On darwin the failure is
Yes, known problem. Please use following patch to disable REE pass for now:
Index: common/config/i386/i386-common.c
===
--- common/config/i386/i386-common.c(revision 211321)
+++ common/config/i386/i386-common.c(working copy)
@@ -866,7 +866,7 @@
static const struct default_options ix86_option_optimization_table[] =
{
/* Enable redundant extension instructions removal at -O2 and higher. */
-{ OPT_LEVELS_2_PLUS, OPT_free, NULL, 1 },
+{ OPT_LEVELS_2_PLUS, OPT_free, NULL, 0 },
/* Enable function splitting at -O2 and higher. */
{ OPT_LEVELS_2_PLUS, OPT_freorder_blocks_and_partition, NULL, 1 },
/* Turn off -fschedule-insns by default. It tends to make the
[Bug rtl-optimization/61446] [4.10 Regression]: ICE in copyprop_hardreg_forward_1, at regcprop.c with -O2 -m32 -march=corei7
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61446
Dominique d'Humieres changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed||2014-06-08
Ever confirmed|0 |1
--- Comment #1 from Dominique d'Humieres ---
This breaks bootstrap on x86_64-apple-darwin13 and other targets (see
https://gcc.gnu.org/ml/gcc-regression/2014-06/). On darwin the failure is
/opt/gcc/build_w/./gcc/xgcc -B/opt/gcc/build_w/./gcc/
-B/opt/gcc/gcc4.10w/x86_64-apple-darwin13.2.0/bin/
-B/opt/gcc/gcc4.10w/x86_64-apple-darwin13.2.0/lib/ -isystem
/opt/gcc/gcc4.10w/x86_64-apple-darwin13.2.0/include -isystem
/opt/gcc/gcc4.10w/x86_64-apple-darwin13.2.0/sys-include-g -O2 -O2 -g -O2
-DIN_GCC-W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem
./include -pipe -fno-common -g -DIN_LIBGCC2 -fbuilding-libgcc
-fno-stack-protector -pipe -fno-common -I. -I. -I../.././gcc
-I../../../work/libgcc -I../../../work/libgcc/. -I../../../work/libgcc/../gcc
-I../../../work/libgcc/../include -DHAVE_CC_TLS -DUSE_EMUTLS -o
_fixunssfti_s.o -MT _fixunssfti_s.o -MD -MP -MF _fixunssfti_s.dep -DSHARED
-DL_fixunsdfdi -c ../../../work/libgcc/libgcc2.c \
-DLIBGCC2_UNITS_PER_WORD=8
../../../../work/libgcc/libgcc2.c: In function '__fixunssfdi':
../../../../work/libgcc/libgcc2.c:1492:1: error: insn does not satisfy its
constraints:
}
^
(insn 60 13 14 2 (set (reg:DI 0 ax)
(reg:DI 21 xmm0)) ../../../../work/libgcc/libgcc2.c:1444 89
{*movdi_internal}
(expr_list:REG_UNUSED (reg:DI 0 ax)
(nil)))
../../../../work/libgcc/libgcc2.c:1492:1: internal compiler error: in
copyprop_hardreg_forward_1, at regcprop.c:776
Reverting r211321 allowed me to bootstrap r211353 on x86_64-apple-darwin13.
[Bug rtl-optimization/61446] [4.10 Regression]: ICE in copyprop_hardreg_forward_1, at regcprop.c with -O2 -m32 -march=corei7
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61446 Uroš Bizjak changed: What|Removed |Added Target||i686 Blocks||61423 Target Milestone|--- |4.10.0
