diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/i386/i386.md | 9 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr106453.c | 13 |
2 files changed, 18 insertions, 4 deletions
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 1aef1af..1be9b66 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -23823,10 +23823,11 @@ (define_insn "sse4_2_crc32di" [(set (match_operand:DI 0 "register_operand" "=r") - (unspec:DI - [(match_operand:DI 1 "register_operand" "0") - (match_operand:DI 2 "nonimmediate_operand" "rm")] - UNSPEC_CRC32))] + (zero_extend:DI + (unspec:SI + [(match_operand:SI 1 "register_operand" "0") + (match_operand:DI 2 "nonimmediate_operand" "rm")] + UNSPEC_CRC32)))] "TARGET_64BIT && TARGET_CRC32" "crc32{q}\t{%2, %0|%0, %2}" [(set_attr "type" "sselog1") diff --git a/gcc/testsuite/gcc.target/i386/pr106453.c b/gcc/testsuite/gcc.target/i386/pr106453.c new file mode 100644 index 0000000..bd2e728 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr106453.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mcrc32 -dp" } */ +/* { dg-final { scan-assembler-not "zero_extendsidi" } } */ + +#include <immintrin.h> +#include <stdint.h> + +uint32_t f(uint32_t c, uint64_t *p, size_t n) +{ + for (size_t i = 0; i < n; i++) + c = _mm_crc32_u64(c, p[i]); + return c; +} |