From 08e69332881f8d28ce8b559ffba1900ae5c0d5ee Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Sun, 27 Mar 2022 11:07:39 -0700 Subject: [PATCH] x86: Use Yw constraint on *ssse3_pshufbv8qi3 Since AVX512VL and AVX512BW are required for AVX512 VPSHUFB, replace the "Yv" register constraint with the "Yw" register constraint. gcc/ PR target/105068 * config/i386/sse.md (*ssse3_pshufbv8qi3): Replace "Yv" with "Yw". gcc/testsuite/ PR target/105068 * gcc.target/i386/pr105068.c: New test. --- gcc/config/i386/sse.md | 6 ++-- gcc/testsuite/gcc.target/i386/pr105068.c | 47 ++++++++++++++++++++++++++++++++ 2 files changed, 50 insertions(+), 3 deletions(-) create mode 100644 gcc/testsuite/gcc.target/i386/pr105068.c diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md index 33bd2c4..58d2bd9 100644 --- a/gcc/config/i386/sse.md +++ b/gcc/config/i386/sse.md @@ -20758,9 +20758,9 @@ }) (define_insn_and_split "*ssse3_pshufbv8qi3" - [(set (match_operand:V8QI 0 "register_operand" "=y,x,Yv") - (unspec:V8QI [(match_operand:V8QI 1 "register_operand" "0,0,Yv") - (match_operand:V8QI 2 "register_mmxmem_operand" "ym,x,Yv") + [(set (match_operand:V8QI 0 "register_operand" "=y,x,Yw") + (unspec:V8QI [(match_operand:V8QI 1 "register_operand" "0,0,Yw") + (match_operand:V8QI 2 "register_mmxmem_operand" "ym,x,Yw") (match_operand:V4SI 4 "reg_or_const_vector_operand" "i,3,3")] UNSPEC_PSHUFB)) diff --git a/gcc/testsuite/gcc.target/i386/pr105068.c b/gcc/testsuite/gcc.target/i386/pr105068.c new file mode 100644 index 0000000..e5fb033 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr105068.c @@ -0,0 +1,47 @@ +/* { dg-do compile } */ +/* { dg-options "-Og -march=x86-64 -mavx512vl -fsanitize=thread -fstack-protector-all" } */ + +typedef char __attribute__((__vector_size__(8))) C; +typedef int __attribute__((__vector_size__(8))) U; +typedef int __attribute__((__vector_size__(16))) V; +typedef int __attribute__((__vector_size__(32))) W; +typedef long long __attribute__((__vector_size__(64))) L; +typedef _Float64 __attribute__((__vector_size__(16))) F; +typedef _Float64 __attribute__((__vector_size__(64))) G; +C c; +int i; + +U foo0( W v256u32_0, + W v256s32_0, + V v128u64_0, + V v128s64_0, + W v256u64_0, + W v256s64_0, + L v512s64_0, + W v256u128_0, + W v256s128_0, + V v128f32_0, + W v256f32_0, + F F_0, + W v256f64_0, + G G_0) { + C U_1 = __builtin_ia32_pshufb(c, c); + G_0 += __builtin_convertvector(v512s64_0, G); + F F_1 = __builtin_shufflevector(F_0, G_0, 2, 2); + W W_r = v256u32_0 + v256s32_0 + v256u64_0 + v256s64_0 + v256u128_0 + + v256s128_0 + v256f32_0 + v256f64_0; + V V_r = ((union { + W a; + V b; + })W_r) + .b + + i + v128u64_0 + v128s64_0 + v128f32_0 + + (V)F_1; + U U_r = ((union { + V a; + U b; + })V_r) + .b + + (U)U_1; + return U_r; +} -- 2.7.4