Hi!
This patch let's -mavx2 use vpermpd instead of vpermq for
V4DFmode __builtin_shuffle (e.g. {1, 2, 3, 0}).
Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk?
2012-03-15 Jakub Jelinek ja...@redhat.com
PR target/52568
* config/i386/sse.md (UNSPEC_VPERMDF): Remove.
(avx2_permv4df): Remove.
(avx2_permv4di): Macroize into...
(avx2_permmode): ... this using VI8F_256 iterator.
(avx2_permv4di_1): Macroize into...
(avx2_permmode_1): ... this using VI8F_256 iterator.
--- gcc/config/i386/sse.md.jj 2012-03-14 09:39:41.0 +0100
+++ gcc/config/i386/sse.md 2012-03-15 12:47:56.649703448 +0100
@@ -80,7 +80,6 @@ (define_c_enum unspec [
;; For AVX2 support
UNSPEC_VPERMSI
- UNSPEC_VPERMDF
UNSPEC_VPERMSF
UNSPEC_VPERMTI
UNSPEC_GATHER
@@ -11889,19 +11888,6 @@ (define_insn avx2_permvarv8si
(set_attr prefix vex)
(set_attr mode OI)])
-(define_insn avx2_permv4df
- [(set (match_operand:V4DF 0 register_operand =x)
- (unspec:V4DF
- [(match_operand:V4DF 1 register_operand xm)
- (match_operand:SI 2 const_0_to_255_operand n)]
- UNSPEC_VPERMDF))]
- TARGET_AVX2
- vpermpd\t{%2, %1, %0|%0, %1, %2}
- [(set_attr type sselog)
- (set_attr prefix_extra 1)
- (set_attr prefix vex)
- (set_attr mode OI)])
-
(define_insn avx2_permvarv8sf
[(set (match_operand:V8SF 0 register_operand =x)
(unspec:V8SF
@@ -11914,25 +11900,25 @@ (define_insn avx2_permvarv8sf
(set_attr prefix vex)
(set_attr mode OI)])
-(define_expand avx2_permv4di
- [(match_operand:V4DI 0 register_operand )
- (match_operand:V4DI 1 nonimmediate_operand )
+(define_expand avx2_permmode
+ [(match_operand:VI8F_256 0 register_operand )
+ (match_operand:VI8F_256 1 nonimmediate_operand )
(match_operand:SI 2 const_0_to_255_operand )]
TARGET_AVX2
{
int mask = INTVAL (operands[2]);
- emit_insn (gen_avx2_permv4di_1 (operands[0], operands[1],
- GEN_INT ((mask 0) 3),
- GEN_INT ((mask 2) 3),
- GEN_INT ((mask 4) 3),
- GEN_INT ((mask 6) 3)));
+ emit_insn (gen_avx2_permmode_1 (operands[0], operands[1],
+ GEN_INT ((mask 0) 3),
+ GEN_INT ((mask 2) 3),
+ GEN_INT ((mask 4) 3),
+ GEN_INT ((mask 6) 3)));
DONE;
})
-(define_insn avx2_permv4di_1
- [(set (match_operand:V4DI 0 register_operand =x)
- (vec_select:V4DI
- (match_operand:V4DI 1 nonimmediate_operand xm)
+(define_insn avx2_permmode_1
+ [(set (match_operand:VI8F_256 0 register_operand =x)
+ (vec_select:VI8F_256
+ (match_operand:VI8F_256 1 nonimmediate_operand xm)
(parallel [(match_operand 2 const_0_to_3_operand )
(match_operand 3 const_0_to_3_operand )
(match_operand 4 const_0_to_3_operand )
@@ -11945,11 +11931,11 @@ (define_insn avx2_permv4di_1
mask |= INTVAL (operands[4]) 4;
mask |= INTVAL (operands[5]) 6;
operands[2] = GEN_INT (mask);
- return vpermq\t{%2, %1, %0|%0, %1, %2};
+ return vpermssemodesuffix\t{%2, %1, %0|%0, %1, %2};
}
[(set_attr type sselog)
(set_attr prefix vex)
- (set_attr mode OI)])
+ (set_attr mode sseinsnmode)])
(define_insn avx2_permv2ti
[(set (match_operand:V4DI 0 register_operand =x)
Jakub
