[Bug target/66731] vnmul, fnmul patterns incorrect for -frounding-math
nsz at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Mon Aug 3 17:05:00 GMT 2015
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66731
--- Comment #6 from nsz at gcc dot gnu.org ---
Author: nsz
Date: Mon Aug 3 17:04:29 2015
New Revision: 226519
URL: https://gcc.gnu.org/viewcvs?rev=226519&root=gcc&view=rev
Log:
Backport form mainline r226496.
gcc:
Backport form mainline r226496.
2015-08-03 Szabolcs Nagy <szabolcs.nagy@arm.com>
PR target/66731
* config/arm/vfp.md (negmuldf3_vfp): Add new pattern.
(negmulsf3_vfp): Likewise.
(muldf3negdf_vfp): Disable for -frounding-math.
(mulsf3negsf_vfp): Likewise.
* config/arm/arm.c (arm_new_rtx_costs): Fix NEG cost for VNMUL,
fix MULT cost with -frounding-math.
gcc/testsuite:
Backport form mainline r226496.
2015-08-03 Szabolcs Nagy <szabolcs.nagy@arm.com>
PR target/66731
* gcc.target/arm/vnmul-1.c: New.
* gcc.target/arm/vnmul-2.c: New.
* gcc.target/arm/vnmul-3.c: New.
* gcc.target/arm/vnmul-4.c: New.
Added:
branches/gcc-4_9-branch/gcc/testsuite/gcc.target/arm/vnmul-1.c
branches/gcc-4_9-branch/gcc/testsuite/gcc.target/arm/vnmul-2.c
branches/gcc-4_9-branch/gcc/testsuite/gcc.target/arm/vnmul-3.c
branches/gcc-4_9-branch/gcc/testsuite/gcc.target/arm/vnmul-4.c
Modified:
branches/gcc-4_9-branch/gcc/ChangeLog
branches/gcc-4_9-branch/gcc/config/arm/arm.c
branches/gcc-4_9-branch/gcc/config/arm/vfp.md
branches/gcc-4_9-branch/gcc/testsuite/ChangeLog
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