[Bug middle-end/46932] Inefficient code sequence to access local variable
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46932 --- Comment #10 from Aldy Hernandez --- Author: aldyh Date: Wed Sep 13 16:57:00 2017 New Revision: 252423 URL: https://gcc.gnu.org/viewcvs?rev=252423&root=gcc&view=rev Log: Add check_effective_target_autoincdec. Add check_effective_target_autoincdec that returns true if a target runs the auto_inc_dec optimization pass. gcc/ * doc/sourcebuild.texi (autoincdec): Add autoincdec description. gcc/testsuite/ PR middle-end/46932 * gcc.dg/pr46932.c: Use dg-require-effective-target autoincdec. * lib/target-supports.exp: Add check_effective_target_autoincdec. Modified: branches/range-gen2/gcc/ChangeLog branches/range-gen2/gcc/doc/sourcebuild.texi branches/range-gen2/gcc/testsuite/ChangeLog branches/range-gen2/gcc/testsuite/gcc.dg/pr46932.c branches/range-gen2/gcc/testsuite/lib/target-supports.exp
[Bug middle-end/46932] Inefficient code sequence to access local variable
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46932 --- Comment #9 from Aldy Hernandez --- Author: aldyh Date: Wed Sep 13 16:35:42 2017 New Revision: 252322 URL: https://gcc.gnu.org/viewcvs?rev=252322&root=gcc&view=rev Log: Fix unresolved in gcc.dg/pr46932.c Build only if pre-increment is supported. Given there is no config test, add a list of targets which have HAVE_PRE_INCREMENT set. testsuite/ PR middle-end/46932 * gcc.dg/pr46932.c: Compile on targets with pre-increment. Modified: branches/range-gen2/gcc/testsuite/ChangeLog branches/range-gen2/gcc/testsuite/gcc.dg/pr46932.c
[Bug middle-end/46932] Inefficient code sequence to access local variable
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46932 --- Comment #9 from Wilco --- Author: wilco Date: Mon Aug 14 11:18:50 2017 New Revision: 251087 URL: https://gcc.gnu.org/viewcvs?rev=251087&root=gcc&view=rev Log: Add check_effective_target_autoincdec. Add check_effective_target_autoincdec that returns true if a target runs the auto_inc_dec optimization pass. gcc/ * doc/sourcebuild.texi (autoincdec): Add autoincdec description. gcc/testsuite/ PR middle-end/46932 * gcc.dg/pr46932.c: Use dg-require-effective-target autoincdec. * lib/target-supports.exp: Add check_effective_target_autoincdec. Modified: trunk/gcc/ChangeLog trunk/gcc/doc/sourcebuild.texi trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/pr46932.c trunk/gcc/testsuite/lib/target-supports.exp
[Bug middle-end/46932] Inefficient code sequence to access local variable
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46932 --- Comment #8 from Wilco --- Author: wilco Date: Mon Aug 7 13:56:02 2017 New Revision: 250918 URL: https://gcc.gnu.org/viewcvs?rev=250918&root=gcc&view=rev Log: Fix unresolved in gcc.dg/pr46932.c Build only if pre-increment is supported. Given there is no config test, add a list of targets which have HAVE_PRE_INCREMENT set. testsuite/ PR middle-end/46932 * gcc.dg/pr46932.c: Compile on targets with pre-increment. Modified: trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/pr46932.c
[Bug middle-end/46932] Inefficient code sequence to access local variable
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46932 Rainer Orth changed: What|Removed |Added CC||ro at gcc dot gnu.org --- Comment #7 from Rainer Orth --- The testcase comes up as UNSUPPORTED on many targets (Linux/x86_64, Solaris/SPARC, Solaris/x86, ...): UNRESOLVED: gcc.dg/pr46932.c scan-rtl-dump-not auto_inc_dec "success" The log file has gcc.dg/pr46932.c: dump file does not exist and indeed no log file is created at all. Rainer
[Bug middle-end/46932] Inefficient code sequence to access local variable
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46932 Wilco changed: What|Removed |Added Status|NEW |RESOLVED Resolution|--- |FIXED Target Milestone|--- |8.0 --- Comment #6 from Wilco --- Fixed in GCC8. Given this is a minor CQ inefficiency backporting doesn't make sense.
[Bug middle-end/46932] Inefficient code sequence to access local variable
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46932 --- Comment #5 from Wilco --- Author: wilco Date: Wed Jul 26 10:49:17 2017 New Revision: 250564 URL: https://gcc.gnu.org/viewcvs?rev=250564&root=gcc&view=rev Log: Fix PR46932: Block auto increment on frame pointer Block auto increment on frame pointer references. This is never beneficial since the SFP expands into SP+C or FP+C during register allocation. The generated code for the testcase is now as expected: str x30, [sp, -32]! strbw0, [sp, 31] add x0, sp, 31 bl foo3 ldr x30, [sp], 32 ret gcc/ PR middle-end/46932 * auto-inc-dec.c (parse_add_or_inc): Block autoinc on sfp. gcc/testsuite/ PR middle-end/46932 * gcc.dg/pr46932.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/pr46932.c Modified: trunk/gcc/ChangeLog trunk/gcc/auto-inc-dec.c trunk/gcc/testsuite/ChangeLog
[Bug middle-end/46932] Inefficient code sequence to access local variable
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46932 --- Comment #4 from Wilco --- Patch: https://gcc.gnu.org/ml/gcc-patches/2017-07/msg01245.html
