diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/gimple-ssa-store-merging.c | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/aarch64/sve/acle/general/pr97546.c | 22 |
2 files changed, 27 insertions, 1 deletions
diff --git a/gcc/gimple-ssa-store-merging.c b/gcc/gimple-ssa-store-merging.c index 28fc2e2..6089faf 100644 --- a/gcc/gimple-ssa-store-merging.c +++ b/gcc/gimple-ssa-store-merging.c @@ -851,12 +851,16 @@ find_bswap_or_nop_finalize (struct symbolic_number *n, uint64_t *cmpxchg, gimple * find_bswap_or_nop (gimple *stmt, struct symbolic_number *n, bool *bswap) { + tree type_size = TYPE_SIZE_UNIT (gimple_expr_type (stmt)); + if (!tree_fits_uhwi_p (type_size)) + return NULL; + /* The last parameter determines the depth search limit. It usually correlates directly to the number n of bytes to be touched. We increase that number by 2 * (log2(n) + 1) here in order to also cover signed -> unsigned conversions of the src operand as can be seen in libgcc, and for initial shift/and operation of the src operand. */ - int limit = TREE_INT_CST_LOW (TYPE_SIZE_UNIT (gimple_expr_type (stmt))); + int limit = tree_to_uhwi (type_size); limit += 2 * (1 + (int) ceil_log2 ((unsigned HOST_WIDE_INT) limit)); gimple *ins_stmt = find_bswap_or_nop_1 (stmt, n, limit); diff --git a/gcc/testsuite/gcc.target/aarch64/sve/acle/general/pr97546.c b/gcc/testsuite/gcc.target/aarch64/sve/acle/general/pr97546.c new file mode 100644 index 0000000..25707cd --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/sve/acle/general/pr97546.c @@ -0,0 +1,22 @@ +/* { dg-options "-O2" } */ + +#include <arm_sve.h> + +static svbool_t visinf_vo_vf(svfloat32_t d) +{ + return svcmpeq_n_f32 (svptrue_b8 (), + svabs_f32_x (svptrue_b8 (), d), + __builtin_inff ()); +} + +const svint32_t _ZGVsNxv_ilogbf(svfloat32_t d) +{ + svint32_t e = svreinterpret_s32_f32 (svdup_n_f32 (0.0f)); + e = svsel_s32 (svcmpne_f32 (svptrue_b8(), d, d), + svdup_n_s32 (2147483647), + e); + e = svsel_s32 (visinf_vo_vf (d), + svdup_n_s32 (0x7fffffff), + e); + return e; +} |