re PR target/32661 (__builtin_ia32_vec_ext suboptimal for pointer/ref args)

PR target/32661
        * config/i386/sse.md (*sse2_storeq_rex64): Handle 64bit mem->reg moves.
        (*vec_extractv2di_1_sse2): Disable for TARGET_64BIT.
        (*vec_extractv2di_1_rex64): New insn pattern.

testsuite/ChangeLog:

        PR target/32661
        * gcc.target/i386/pr32661-1.c: New test.

From-SVN: r126557
This commit is contained in:
Uros Bizjak 2007-07-11 20:42:44 +02:00 committed by Uros Bizjak
parent 4da8e29dfc
commit 29d27fb08a
4 changed files with 54 additions and 5 deletions

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@ -1,3 +1,10 @@
2007-07-11 Uros Bizjak <ubizjak@gmail.com>
PR target/32661
* config/i386/sse.md (*sse2_storeq_rex64): Handle 64bit mem->reg moves.
(*vec_extractv2di_1_sse2): Disable for TARGET_64BIT.
(*vec_extractv2di_1_rex64): New insn pattern.
2007-07-11 David Daney <ddaney@avtrex.com>
* config/mips/linux-unwind.h (mips_fallback_frame_state): Rewrite

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@ -4587,12 +4587,17 @@
"")
(define_insn "*sse2_storeq_rex64"
[(set (match_operand:DI 0 "nonimmediate_operand" "=mx,r")
[(set (match_operand:DI 0 "nonimmediate_operand" "=mx,r,r")
(vec_select:DI
(match_operand:V2DI 1 "register_operand" "x,Yi")
(match_operand:V2DI 1 "nonimmediate_operand" "x,Yi,o")
(parallel [(const_int 0)])))]
"TARGET_64BIT && TARGET_SSE"
"#")
"TARGET_64BIT && !(MEM_P (operands[0]) && MEM_P (operands[1]))"
"@
#
#
mov{q}\t{%1, %0|%0, %1}"
[(set_attr "type" "*,*,imov")
(set_attr "mode" "*,*,DI")])
(define_insn "*sse2_storeq"
[(set (match_operand:DI 0 "nonimmediate_operand" "=mx")
@ -4617,12 +4622,28 @@
operands[1] = gen_rtx_REG (DImode, REGNO (operands[1]));
})
(define_insn "*vec_extractv2di_1_rex64"
[(set (match_operand:DI 0 "nonimmediate_operand" "=m,x,x,r")
(vec_select:DI
(match_operand:V2DI 1 "nonimmediate_operand" "x,0,o,o")
(parallel [(const_int 1)])))]
"TARGET_64BIT && !(MEM_P (operands[0]) && MEM_P (operands[1]))"
"@
movhps\t{%1, %0|%0, %1}
psrldq\t{$8, %0|%0, 8}
movq\t{%H1, %0|%0, %H1}
mov{q}\t{%H1, %0|%0, %H1}"
[(set_attr "type" "ssemov,sseishft,ssemov,imov")
(set_attr "memory" "*,none,*,*")
(set_attr "mode" "V2SF,TI,TI,DI")])
(define_insn "*vec_extractv2di_1_sse2"
[(set (match_operand:DI 0 "nonimmediate_operand" "=m,x,x")
(vec_select:DI
(match_operand:V2DI 1 "nonimmediate_operand" "x,0,o")
(parallel [(const_int 1)])))]
"TARGET_SSE2 && !(MEM_P (operands[0]) && MEM_P (operands[1]))"
"!TARGET_64BIT
&& TARGET_SSE2 && !(MEM_P (operands[0]) && MEM_P (operands[1]))"
"@
movhps\t{%1, %0|%0, %1}
psrldq\t{$8, %0|%0, 8}

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@ -1,3 +1,8 @@
2007-07-11 Uros Bizjak <ubizjak@gmail.com>
PR target/32661
* gcc.target/i386/pr32661-1.c: New test.
2007-07-11 Eric Botcazou <ebotcazou@adacore.com>
* gnat.dg/invariant_index.ad[sb]: New test.

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@ -0,0 +1,16 @@
/* { dg-do compile { target { { i?86-*-* x86_64-*-* } && lp64 } } } */
/* { dg-options "-O2" } */
typedef long long __m128i __attribute__ ((__vector_size__ (16)));
long long foo_0(__m128i* val)
{
return __builtin_ia32_vec_ext_v2di(*val, 0);
}
long long foo_1(__m128i* val)
{
return __builtin_ia32_vec_ext_v2di(*val, 1);
}
/* { dg-final { scan-assembler-times "mov" 2 } } */