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Add missing expander for vector float_extend and float_truncate. 

2020-05-25  Hongtao Liu  <hongtao.liu@intel.com>

gcc/ChangeLog
	PR target/95125
	* config/i386/sse.md (sf2dfmode_lower): New mode attribute.
	(trunc<mode><sf2dfmode_lower>2) New expander.
	(extend<sf2dfmode_lower><mode>2): Ditto.

gcc/testsuite/ChangeLog
	* gcc.target/i386/pr95125-avx.c: New test.
	* gcc.target/i386/pr95125-avx512f.c: Ditto.
This commit is contained in:
liuhongt 2020-05-23 15:30:58 +08:00
parent a7fe89194c
commit 94c0409717
5 changed files with 90 additions and 0 deletions
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gcc/ChangeLog
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2020-05-25 Hongtao Liu <hongtao.liu@intel.com>
PR target/95125
* config/i386/sse.md (sf2dfmode_lower): New mode attribute.
(trunc<mode><sf2dfmode_lower>2) New expander.
(extend<sf2dfmode_lower><mode>2): Ditto.
2020-05-23 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin.h (ASM_GENERATE_INTERNAL_LABEL): Make

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gcc/config/i386/sse.md
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;; For <sse2_avx_avx512f>_cvtps2pd<avxsizesuffix> insn pattern
(define_mode_attr sf2dfmode
[(V8DF "V8SF") (V4DF "V4SF")])
(define_mode_attr sf2dfmode_lower
[(V8DF "v8sf") (V4DF "v4sf")])
(define_expand "trunc<mode><sf2dfmode_lower>2"
[(set (match_operand:<sf2dfmode> 0 "register_operand")
(float_truncate:<sf2dfmode>
(match_operand:VF2_512_256 1 "vector_operand")))]
"TARGET_AVX")
(define_expand "extend<sf2dfmode_lower><mode>2"
[(set (match_operand:VF2_512_256 0 "register_operand")
(float_extend:VF2_512_256
(match_operand:<sf2dfmode> 1 "vector_operand")))]
"TARGET_AVX")
(define_insn "<sse2_avx_avx512f>_cvtps2pd<avxsizesuffix><mask_name><round_saeonly_name>"
[(set (match_operand:VF2_512_256 0 "register_operand" "=v")

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gcc/testsuite/ChangeLog
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2020-05-25 Hongtao Liu <hongtao.liu@intel.com>
* gcc.target/i386/pr95125-avx.c: New test.
* gcc.target/i386/pr95125-avx512f.c: Ditto.
2020-05-24 Harald Anlauf <anlauf@gmx.de>
PR fortran/95106

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/* PR target/92125 */
/* { dg-do compile } */
/* { dg-options "-O2 -ftree-vectorize -mavx" } */
extern float f[4];
extern double d[4];
void
float_truncate_256 (void)
{
f[0] = d[0];
f[1] = d[1];
f[2] = d[2];
f[3] = d[3];
}
void
float_extend_256 (void)
{
d[0] = f[0];
d[1] = f[1];
d[2] = f[2];
d[3] = f[3];
}
/* { dg-final { scan-assembler-times "vcvtps2pd" 1 } } */
/* { dg-final { scan-assembler-times "vcvtpd2ps" 1 } } */

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/* PR target/95125 */
/* { dg-do compile } */
/* { dg-options "-O2 -ftree-vectorize -mavx512f -mprefer-vector-width=512 " } */
extern float f[8];
extern double d[8];
void
float_truncate_512 (void)
{
f[0] = d[0];
f[1] = d[1];
f[2] = d[2];
f[3] = d[3];
f[4] = d[4];
f[5] = d[5];
f[6] = d[6];
f[7] = d[7];
}
void
float_extend_512 (void)
{
d[0] = f[0];
d[1] = f[1];
d[2] = f[2];
d[3] = f[3];
d[4] = f[4];
d[5] = f[5];
d[6] = f[6];
d[7] = f[7];
}
/* { dg-final { scan-assembler-times "vcvtps2pd" 1 } } */
/* { dg-final { scan-assembler-times "vcvtpd2ps" 1 } } */