[Bug target/80833] 32-bit x86 causes store-forwarding stalls for int64_t -> xmm
uros at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Tue May 30 19:08:00 GMT 2017
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80833
--- Comment #13 from uros at gcc dot gnu.org ---
Author: uros
Date: Tue May 30 17:18:25 2017
New Revision: 248691
URL: https://gcc.gnu.org/viewcvs?rev=248691&root=gcc&view=rev
Log:
PR target/80833
* config/i386/constraints.md (Yd): New constraint.
(Ye): Ditto.
* config/i386/i386.md (*movti_internal): Add (?r, Ye)
and (?Yd, r) alternatives. Update insn attributes.
* config/i386/i386.md (*movti_internal): Add (?r, *Ye)
and (?*Yd, r) alternatives. Update insn attributes.
(double-mode inter-unit splitters): Add new GR<->XMM splitters.
testsuite/ChangeLog:
PR target/80833
* gcc.target/i386/pr80833-1.c: New test.
* gcc.target/i386/pr80833-2.c: Ditto.
Added:
trunk/gcc/testsuite/gcc.target/i386/pr80833-1.c
trunk/gcc/testsuite/gcc.target/i386/pr80833-2.c
Modified:
trunk/gcc/config/i386/constraints.md
trunk/gcc/config/i386/i386.md
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