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From: Uros Bizjak <uros@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r12-1266] i386: Add init pattern for V4QI vectors [PR100637] Date: Mon, 7 Jun 2021 21:00:40 +0000 (GMT) [thread overview] Message-ID: <20210607210040.B36D5388982E@sourceware.org> (raw) https://gcc.gnu.org/g:64735dc923e0a1a2e04c5313471d91ca8b954e9a commit r12-1266-g64735dc923e0a1a2e04c5313471d91ca8b954e9a Author: Uros Bizjak <ubizjak@gmail.com> Date: Mon Jun 7 22:58:15 2021 +0200 i386: Add init pattern for V4QI vectors [PR100637] 2021-06-07 Uroš Bizjak <ubizjak@gmail.com> gcc/ PR target/100637 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate): Handle V4QI mode. (ix86_expand_vector_init_one_nonzero): Ditto. (ix86_expand_vector_init_one_var): Ditto. (ix86_expand_vector_init_general): Ditto. * config/i386/mmx.md (vec_initv4qiqi): New expander. gcc/testsuite/ PR target/100637 * gcc.target/i386/pr100637-5b.c: New test. * gcc.target/i386/pr100637-5w.c: Ditto. Diff: --- gcc/config/i386/i386-expand.c | 9 +++++++++ gcc/config/i386/mmx.md | 12 +++++++++++- gcc/testsuite/gcc.target/i386/pr100637-5b.c | 25 +++++++++++++++++++++++++ gcc/testsuite/gcc.target/i386/pr100637-5w.c | 25 +++++++++++++++++++++++++ 4 files changed, 70 insertions(+), 1 deletion(-) diff --git a/gcc/config/i386/i386-expand.c b/gcc/config/i386/i386-expand.c index fb0676f1158..c3ce21b4387 100644 --- a/gcc/config/i386/i386-expand.c +++ b/gcc/config/i386/i386-expand.c @@ -13733,6 +13733,7 @@ ix86_expand_vector_init_duplicate (bool mmx_ok, machine_mode mode, return false; case E_V8QImode: + case E_V4QImode: if (!mmx_ok) return false; goto widen; @@ -13878,6 +13879,9 @@ ix86_expand_vector_init_one_nonzero (bool mmx_ok, machine_mode mode, case E_V4HImode: use_vector_set = TARGET_SSE || TARGET_3DNOW_A; break; + case E_V4QImode: + use_vector_set = TARGET_SSE4_1; + break; case E_V32QImode: case E_V16HImode: use_vector_set = TARGET_AVX; @@ -14086,6 +14090,10 @@ ix86_expand_vector_init_one_var (bool mmx_ok, machine_mode mode, break; wmode = V4HImode; goto widen; + case E_V4QImode: + if (TARGET_SSE4_1) + break; + wmode = V2HImode; widen: /* There's no way to set one QImode entry easily. Combine the variable value with its adjacent constant value, and @@ -14535,6 +14543,7 @@ quarter: case E_V8QImode: case E_V2HImode: + case E_V4QImode: break; default: diff --git a/gcc/config/i386/mmx.md b/gcc/config/i386/mmx.md index c3fd2805f25..0a17a54fad5 100644 --- a/gcc/config/i386/mmx.md +++ b/gcc/config/i386/mmx.md @@ -3369,7 +3369,17 @@ (match_operand 1)] "TARGET_SSE2" { - ix86_expand_vector_init (false, operands[0], + ix86_expand_vector_init (TARGET_MMX_WITH_SSE, operands[0], + operands[1]); + DONE; +}) + +(define_expand "vec_initv4qiqi" + [(match_operand:V2HI 0 "register_operand") + (match_operand 1)] + "TARGET_SSE2" +{ + ix86_expand_vector_init (TARGET_MMX_WITH_SSE, operands[0], operands[1]); DONE; }) diff --git a/gcc/testsuite/gcc.target/i386/pr100637-5b.c b/gcc/testsuite/gcc.target/i386/pr100637-5b.c new file mode 100644 index 00000000000..3e6cc8ff975 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr100637-5b.c @@ -0,0 +1,25 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -msse2" } */ + +typedef char S; +typedef S V __attribute__((vector_size(4 * sizeof(S)))); + +V duplicate (S a) +{ + return (V) { a, a, a, a }; +} + +V one_nonzero (S a) +{ + return (V) { 0, a }; +} + +V one_var (S a) +{ + return (V) { 1, a }; +} + +V general (S a, S b, S c, S d) +{ + return (V) { a, b, c, d }; +} diff --git a/gcc/testsuite/gcc.target/i386/pr100637-5w.c b/gcc/testsuite/gcc.target/i386/pr100637-5w.c new file mode 100644 index 00000000000..3f677385c16 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr100637-5w.c @@ -0,0 +1,25 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -msse2" } */ + +typedef short S; +typedef S V __attribute__((vector_size(2 * sizeof(S)))); + +V duplicate (S a) +{ + return (V) { a, a }; +} + +V one_nonzero (S a) +{ + return (V) { 0, a }; +} + +V one_var (S a) +{ + return (V) { 1, a }; +} + +V general (S a, S b) +{ + return (V) { a, b }; +}
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