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Correct reduc_splus_v8sf and reduc_splus_v4df.

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gcc/

2010-10-20  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/46085
	* config/i386/sse.md (reduc_splus_v8sf): Updated.
	(reduc_splus_v4df): Likewise.

gcc/testsuite/

2010-10-20  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/46085
	* gcc.target/i386/pr46085-1.c: New.
	* gcc.target/i386/pr46085-2.c: Likewise.

From-SVN: r165719
This commit is contained in:
H.J. Lu 2010-10-20 11:21:19 +00:00 • committed by H.J. Lu
parent 742d143c1b
commit b9121f42a1
5 changed files with 112 additions and 3 deletions
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6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2010-10-20 H.J. Lu <hongjiu.lu@intel.com>
PR target/46085
* config/i386/sse.md (reduc_splus_v8sf): Updated.
(reduc_splus_v4df): Likewise.
2010-10-20 Richard Guenther <rguenther@suse.de>
PR tree-optimization/45860

9
gcc/config/i386/sse.md
View file

@ -1388,8 +1388,9 @@
rtx tmp = gen_reg_rtx (V8SFmode);
rtx tmp2 = gen_reg_rtx (V8SFmode);
emit_insn (gen_avx_haddv8sf3 (tmp, operands[1], operands[1]));
emit_insn (gen_avx_haddv8sf3 (tmp2, operands[1], operands[1]));
emit_insn (gen_avx_haddv8sf3 (operands[0], tmp2, tmp2));
emit_insn (gen_avx_haddv8sf3 (tmp2, tmp, tmp));
emit_insn (gen_avx_vperm2f128v8sf3 (tmp, tmp2, tmp2, GEN_INT (1)));
emit_insn (gen_addv8sf3 (operands[0], tmp, tmp2));
DONE;
})
@ -1415,8 +1416,10 @@
"TARGET_AVX"
{
rtx tmp = gen_reg_rtx (V4DFmode);
rtx tmp2 = gen_reg_rtx (V4DFmode);
emit_insn (gen_avx_haddv4df3 (tmp, operands[1], operands[1]));
emit_insn (gen_avx_haddv4df3 (operands[0], tmp, tmp));
emit_insn (gen_avx_vperm2f128v4df3 (tmp2, tmp, tmp, GEN_INT (1)));
emit_insn (gen_addv4df3 (operands[0], tmp, tmp2));
DONE;
})

6
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,9 @@
2010-10-20 H.J. Lu <hongjiu.lu@intel.com>
PR target/46085
* gcc.target/i386/pr46085-1.c: New.
* gcc.target/i386/pr46085-2.c: Likewise.
2010-10-20 Richard Guenther <rguenther@suse.de>
PR tree-optimization/45860

47
gcc/testsuite/gcc.target/i386/pr46085-1.c Normal file
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@ -0,0 +1,47 @@
/* { dg-do run } */
/* { dg-require-effective-target avx } */
/* { dg-options "-O2 -ftree-vectorize -mavx -mtune=generic -ffast-math" } */
#include "avx-check.h"
#define N 16
#define DIFF 242
float b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
float c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
void
main1 (float x, float max_result)
{
int i;
float diff = 2;
float max = x;
float min = 10;
for (i = 0; i < N; i++) {
diff += (b[i] - c[i]);
}
for (i = 0; i < N; i++) {
max = max < c[i] ? c[i] : max;
}
for (i = 0; i < N; i++) {
min = min > c[i] ? c[i] : min;
}
/* check results: */
if (diff != DIFF)
abort ();
if (max != max_result)
abort ();
if (min != 0)
abort ();
}
static void
avx_test (void)
{
main1 (100, 100);
main1 (0, 15);
}

47
gcc/testsuite/gcc.target/i386/pr46085-2.c Normal file
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@ -0,0 +1,47 @@
/* { dg-do run } */
/* { dg-require-effective-target avx } */
/* { dg-options "-O2 -ftree-vectorize -mavx -mtune=generic -ffast-math" } */
#include "avx-check.h"
#define N 16
#define DIFF 242
double b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
double c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
void
main1 (double x, double max_result)
{
int i;
double diff = 2;
double max = x;
double min = 10;
for (i = 0; i < N; i++) {
diff += (b[i] - c[i]);
}
for (i = 0; i < N; i++) {
max = max < c[i] ? c[i] : max;
}
for (i = 0; i < N; i++) {
min = min > c[i] ? c[i] : min;
}
/* check results: */
if (diff != DIFF)
abort ();
if (max != max_result)
abort ();
if (min != 0)
abort ();
}
static void
avx_test (void)
{
main1 (100, 100);
main1 (0, 15);
}