Hi!
This patch allows 32-byte vectorization of e.g.
short a[512];
unsigned short b[512];
int c[512];
unsigned int d[512];
float e[512];
double f[512];
void
f1 (void)
{
int i;
for (i = 0; i < 512; ++i)
e[i] = a[i];
}
void
f2 (void)
{
int i;
for (i = 0; i < 512; ++i)
e[i] = b[i];
}
void
f3 (void)
{
int i;
for (i = 0; i < 512; ++i)
f[i] = c[i];
}
void
f4 (void)
{
int i;
for (i = 0; i < 512; ++i)
f[i] = d[i];
}
with -O3 -mavx2. Bootstrapped/regtested on x86_64-linux
and i686-linux, ok for trunk?
2011-10-13 Jakub Jelinek <ja...@redhat.com>
* config/i386/sse.md (*avx_cvtdq2pd256_2): Rename to...
(avx_cvtdq2pd256_2): ... this.
(sseunpackfltmode): New mode attr.
(vec_unpacks_float_hi_v8hi, vec_unpacks_float_lo_v8hi,
vec_unpacku_float_hi_v8hi, vec_unpacku_float_lo_v8hi): Macroize
using VI2_AVX2 iterator.
(vec_unpacku_float_hi_v8si, vec_unpacku_float_lo_v8si): New
expanders.
--- gcc/config/i386/sse.md.jj 2011-10-13 17:34:26.000000000 +0200
+++ gcc/config/i386/sse.md 2011-10-13 21:10:52.000000000 +0200
@@ -2517,7 +2517,7 @@ (define_insn "avx_cvtdq2pd256"
(set_attr "prefix" "vex")
(set_attr "mode" "V4DF")])
-(define_insn "*avx_cvtdq2pd256_2"
+(define_insn "avx_cvtdq2pd256_2"
[(set (match_operand:V4DF 0 "register_operand" "=x")
(float:V4DF
(vec_select:V4SI
@@ -2786,51 +2786,58 @@ (define_expand "vec_unpacks_lo_v8sf"
(const_int 2) (const_int 3)]))))]
"TARGET_AVX")
-(define_expand "vec_unpacks_float_hi_v8hi"
- [(match_operand:V4SF 0 "register_operand" "")
- (match_operand:V8HI 1 "register_operand" "")]
+(define_mode_attr sseunpackfltmode
+ [(V8HI "V4SF") (V4SI "V2DF") (V16HI "V8SF") (V8SI "V4DF")])
+
+(define_expand "vec_unpacks_float_hi_<mode>"
+ [(match_operand:<sseunpackfltmode> 0 "register_operand" "")
+ (match_operand:VI2_AVX2 1 "register_operand" "")]
"TARGET_SSE2"
{
- rtx tmp = gen_reg_rtx (V4SImode);
+ rtx tmp = gen_reg_rtx (<sseunpackmode>mode);
- emit_insn (gen_vec_unpacks_hi_v8hi (tmp, operands[1]));
- emit_insn (gen_sse2_cvtdq2ps (operands[0], tmp));
+ emit_insn (gen_vec_unpacks_hi_<mode> (tmp, operands[1]));
+ emit_insn (gen_rtx_SET (VOIDmode, operands[0],
+ gen_rtx_FLOAT (<sseunpackfltmode>mode, tmp)));
DONE;
})
-(define_expand "vec_unpacks_float_lo_v8hi"
- [(match_operand:V4SF 0 "register_operand" "")
- (match_operand:V8HI 1 "register_operand" "")]
+(define_expand "vec_unpacks_float_lo_<mode>"
+ [(match_operand:<sseunpackfltmode> 0 "register_operand" "")
+ (match_operand:VI2_AVX2 1 "register_operand" "")]
"TARGET_SSE2"
{
- rtx tmp = gen_reg_rtx (V4SImode);
+ rtx tmp = gen_reg_rtx (<sseunpackmode>mode);
- emit_insn (gen_vec_unpacks_lo_v8hi (tmp, operands[1]));
- emit_insn (gen_sse2_cvtdq2ps (operands[0], tmp));
+ emit_insn (gen_vec_unpacks_lo_<mode> (tmp, operands[1]));
+ emit_insn (gen_rtx_SET (VOIDmode, operands[0],
+ gen_rtx_FLOAT (<sseunpackfltmode>mode, tmp)));
DONE;
})
-(define_expand "vec_unpacku_float_hi_v8hi"
- [(match_operand:V4SF 0 "register_operand" "")
- (match_operand:V8HI 1 "register_operand" "")]
+(define_expand "vec_unpacku_float_hi_<mode>"
+ [(match_operand:<sseunpackfltmode> 0 "register_operand" "")
+ (match_operand:VI2_AVX2 1 "register_operand" "")]
"TARGET_SSE2"
{
- rtx tmp = gen_reg_rtx (V4SImode);
+ rtx tmp = gen_reg_rtx (<sseunpackmode>mode);
- emit_insn (gen_vec_unpacku_hi_v8hi (tmp, operands[1]));
- emit_insn (gen_sse2_cvtdq2ps (operands[0], tmp));
+ emit_insn (gen_vec_unpacku_hi_<mode> (tmp, operands[1]));
+ emit_insn (gen_rtx_SET (VOIDmode, operands[0],
+ gen_rtx_FLOAT (<sseunpackfltmode>mode, tmp)));
DONE;
})
-(define_expand "vec_unpacku_float_lo_v8hi"
- [(match_operand:V4SF 0 "register_operand" "")
- (match_operand:V8HI 1 "register_operand" "")]
+(define_expand "vec_unpacku_float_lo_<mode>"
+ [(match_operand:<sseunpackfltmode> 0 "register_operand" "")
+ (match_operand:VI2_AVX2 1 "register_operand" "")]
"TARGET_SSE2"
{
- rtx tmp = gen_reg_rtx (V4SImode);
+ rtx tmp = gen_reg_rtx (<sseunpackmode>mode);
- emit_insn (gen_vec_unpacku_lo_v8hi (tmp, operands[1]));
- emit_insn (gen_sse2_cvtdq2ps (operands[0], tmp));
+ emit_insn (gen_vec_unpacku_lo_<mode> (tmp, operands[1]));
+ emit_insn (gen_rtx_SET (VOIDmode, operands[0],
+ gen_rtx_FLOAT (<sseunpackfltmode>mode, tmp)));
DONE;
})
@@ -2942,6 +2949,58 @@ (define_expand "vec_unpacku_float_lo_v4s
operands[i] = gen_reg_rtx (V2DFmode);
})
+(define_expand "vec_unpacku_float_hi_v8si"
+ [(match_operand:V4DF 0 "register_operand" "")
+ (match_operand:V8SI 1 "register_operand" "")]
+ "TARGET_AVX"
+{
+ REAL_VALUE_TYPE TWO32r;
+ rtx x, tmp[6];
+ int i;
+
+ real_ldexp (&TWO32r, &dconst1, 32);
+ x = const_double_from_real_value (TWO32r, DFmode);
+
+ tmp[0] = force_reg (V4DFmode, CONST0_RTX (V4DFmode));
+ tmp[1] = force_reg (V4DFmode, ix86_build_const_vector (V4DFmode, 1, x));
+ tmp[5] = gen_reg_rtx (V4SImode);
+
+ for (i = 2; i < 5; i++)
+ tmp[i] = gen_reg_rtx (V4DFmode);
+ emit_insn (gen_vec_extract_hi_v8si (tmp[5], operands[1]));
+ emit_insn (gen_avx_cvtdq2pd256 (tmp[2], tmp[5]));
+ emit_insn (gen_rtx_SET (VOIDmode, tmp[3],
+ gen_rtx_LT (V4DFmode, tmp[2], tmp[0])));
+ emit_insn (gen_andv4df3 (tmp[4], tmp[3], tmp[1]));
+ emit_insn (gen_addv4df3 (operands[0], tmp[2], tmp[4]));
+ DONE;
+})
+
+(define_expand "vec_unpacku_float_lo_v8si"
+ [(match_operand:V4DF 0 "register_operand" "")
+ (match_operand:V8SI 1 "nonimmediate_operand" "")]
+ "TARGET_AVX"
+{
+ REAL_VALUE_TYPE TWO32r;
+ rtx x, tmp[5];
+ int i;
+
+ real_ldexp (&TWO32r, &dconst1, 32);
+ x = const_double_from_real_value (TWO32r, DFmode);
+
+ tmp[0] = force_reg (V4DFmode, CONST0_RTX (V4DFmode));
+ tmp[1] = force_reg (V4DFmode, ix86_build_const_vector (V4DFmode, 1, x));
+
+ for (i = 2; i < 5; i++)
+ tmp[i] = gen_reg_rtx (V4DFmode);
+ emit_insn (gen_avx_cvtdq2pd256_2 (tmp[2], operands[1]));
+ emit_insn (gen_rtx_SET (VOIDmode, tmp[3],
+ gen_rtx_LT (V4DFmode, tmp[2], tmp[0])));
+ emit_insn (gen_andv4df3 (tmp[4], tmp[3], tmp[1]));
+ emit_insn (gen_addv4df3 (operands[0], tmp[2], tmp[4]));
+ DONE;
+})
+
(define_expand "vec_pack_trunc_v4df"
[(set (match_dup 3)
(float_truncate:V4SF
Jakub
