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re PR target/54564 (Broken __builtin_ia32_vfmadds[sd]3)

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PR target/54564
	* config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
	instead of (match_dup 0) as second argument to vec_merge.
	(*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
	Remove third alternative.
	(*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise.  Negate
	operand 2 instead of operand 1, but put it as first argument
	of fma.

	* config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
	_mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
	of the first.

From-SVN: r191297
This commit is contained in:
Jakub Jelinek 2012-09-14 14:36:33 +02:00
parent 02cbc6d6a7
commit aeeede334c
2 changed files with 18 additions and 0 deletions
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11
gcc/ChangeLog
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@ -1,3 +1,14 @@
2012-09-14 Jakub Jelinek <jakub@redhat.com>
PR target/54564
* config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
instead of (match_dup 0) as second argument to vec_merge.
(*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
Remove third alternative.
(*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise. Negate
operand 2 instead of operand 1, but put it as first argument
of fma.
2012-09-14 Richard Guenther <rguenther@suse.de>
PR tree-optimization/54565

7
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,10 @@
2012-09-14 Jakub Jelinek <jakub@redhat.com>
PR target/54564
* config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
_mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
of the first.
2012-09-14 Richard Guenther <rguenther@suse.de>
PR tree-optimization/54565