diff options
| author | irar <irar@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-09-07 08:54:00 +0000 |
|---|---|---|
| committer | irar <irar@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-09-07 08:54:00 +0000 |
| commit | 0da87323bb8260728b90f79bfe21dd6d742c547c (patch) | |
| tree | f05693dc559cf15edd83dca04f265331b78e174e /gcc/config/rs6000/altivec.md | |
| parent | a97595e6964930a0b76d1b769410c10b17752de8 (diff) | |
| download | gcc-0da87323bb8260728b90f79bfe21dd6d742c547c.tar.gz | |
PR tree-optimization/35642
* config/rs6000/altivec.md (mulv8hi3): Implement.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@140083 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/rs6000/altivec.md')
| -rw-r--r-- | gcc/config/rs6000/altivec.md | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/config/rs6000/altivec.md b/gcc/config/rs6000/altivec.md index e8028edf067..5edd248b722 100644 --- a/gcc/config/rs6000/altivec.md +++ b/gcc/config/rs6000/altivec.md @@ -647,6 +647,28 @@ DONE; }") +(define_expand "mulv8hi3" + [(use (match_operand:V8HI 0 "register_operand" "")) + (use (match_operand:V8HI 1 "register_operand" "")) + (use (match_operand:V8HI 2 "register_operand" ""))] + "TARGET_ALTIVEC" + " +{ + rtx odd = gen_reg_rtx (V4SImode); + rtx even = gen_reg_rtx (V4SImode); + rtx high = gen_reg_rtx (V4SImode); + rtx low = gen_reg_rtx (V4SImode); + + emit_insn (gen_altivec_vmulesh (even, operands[1], operands[2])); + emit_insn (gen_altivec_vmulosh (odd, operands[1], operands[2])); + + emit_insn (gen_altivec_vmrghw (high, even, odd)); + emit_insn (gen_altivec_vmrglw (low, even, odd)); + + emit_insn (gen_altivec_vpkuwum (operands[0], high, low)); + + DONE; +}") ;; Fused multiply subtract (define_insn "altivec_vnmsubfp" |