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i386.md (signbittf2): Emit sse_movmskps for TARGET_SSE.

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* config/i386/i386.md (signbittf2): Emit sse_movmskps for TARGET_SSE.

From-SVN: r237451
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Uros Bizjak 2016-06-14 18:10:11 +02:00 committed by Uros Bizjak
parent abe7f8287e
commit 0d323358fd
2 changed files with 20 additions and 7 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2016-06-14 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (signbittf2): Emit sse_movmskps for TARGET_SSE.
2016-06-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* expmed.h: Close parenthesis in "at your option" in copyright

23
gcc/config/i386/i386.md
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@ -16201,16 +16201,25 @@
(define_expand "signbittf2"
[(use (match_operand:SI 0 "register_operand"))
(use (match_operand:TF 1 "register_operand"))]
"TARGET_SSE4_1"
"TARGET_SSE"
{
rtx mask = ix86_build_signbit_mask (TFmode, 0, 0);
rtx scratch = gen_reg_rtx (QImode);
if (TARGET_SSE4_1)
{
rtx mask = ix86_build_signbit_mask (TFmode, 0, 0);
rtx scratch = gen_reg_rtx (QImode);
emit_insn (gen_ptesttf2 (operands[1], mask));
ix86_expand_setcc (scratch, NE,
gen_rtx_REG (CCZmode, FLAGS_REG), const0_rtx);
emit_insn (gen_ptesttf2 (operands[1], mask));
ix86_expand_setcc (scratch, NE,
gen_rtx_REG (CCZmode, FLAGS_REG), const0_rtx);
emit_insn (gen_zero_extendqisi2 (operands[0], scratch));
emit_insn (gen_zero_extendqisi2 (operands[0], scratch));
}
else
{
emit_insn (gen_sse_movmskps (operands[0],
gen_lowpart (V4SFmode, operands[1])));
emit_insn (gen_andsi3 (operands[0], operands[0], GEN_INT (0x8)));
}
DONE;
})