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| author | Richard Sandiford <richard.sandiford@arm.com> | 2015-08-20 19:04:34 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2015-08-20 19:04:34 +0000 |
| commit | 92695fbb294bf7fe051041e3143f51c37cc22f82 (patch) | |
| tree | 88a816e3cb8340cc79bfdf29195dc3a1e20fd9e6 /gcc/expmed.c | |
| parent | c629c24604222d7b3a8e6c8a5010f4f3d2a1b1a6 (diff) | |
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rtl.h (rtvec_all_equal_p): Declare.
gcc/
* rtl.h (rtvec_all_equal_p): Declare.
(const_vec_duplicate_p, unwrap_const_vec_duplicate): New functions.
* rtl.c (rtvec_all_equal_p): New function.
* expmed.c (expand_mult): Use unwrap_const_vec_duplicate.
* config/aarch64/aarch64.c (aarch64_vect_float_const_representable_p)
(aarch64_simd_dup_constant): Use const_vec_duplicate_p.
* config/arm/arm.c (neon_vdup_constant): Likewise.
* config/s390/s390.c (s390_contiguous_bitmask_vector_p): Likewise.
* config/tilegx/constraints.md (W, Y): Likewise.
* config/tilepro/constraints.md (W, Y): Likewise.
* config/spu/spu.c (spu_legitimate_constant_p): Likewise.
(classify_immediate): Use unwrap_const_vec_duplicate.
* config/tilepro/predicates.md (reg_or_v4s8bit_operand): Likewise.
(reg_or_v2s8bit_operand): Likewise.
* config/tilegx/predicates.md (reg_or_v8s8bit_operand): Likewise.
(reg_or_v4s8bit_operand): Likewise.
From-SVN: r227041
Diffstat (limited to 'gcc/expmed.c')
| -rw-r--r-- | gcc/expmed.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/gcc/expmed.c b/gcc/expmed.c index 59b2919..604a957 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -3117,15 +3117,7 @@ expand_mult (machine_mode mode, rtx op0, rtx op1, rtx target, /* For vectors, there are several simplifications that can be made if all elements of the vector constant are identical. */ - scalar_op1 = op1; - if (GET_CODE (op1) == CONST_VECTOR) - { - int i, n = CONST_VECTOR_NUNITS (op1); - scalar_op1 = CONST_VECTOR_ELT (op1, 0); - for (i = 1; i < n; ++i) - if (!rtx_equal_p (scalar_op1, CONST_VECTOR_ELT (op1, i))) - goto skip_scalar; - } + scalar_op1 = unwrap_const_vec_duplicate (op1); if (INTEGRAL_MODE_P (mode)) { @@ -3254,7 +3246,6 @@ expand_mult (machine_mode mode, rtx op0, rtx op1, rtx target, target, unsignedp, OPTAB_LIB_WIDEN); } } - skip_scalar: /* This used to use umul_optab if unsigned, but for non-widening multiply there is no difference between signed and unsigned. */ |