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| author | Richard Sandiford <richard.sandiford@linaro.org> | 2018-01-02 18:28:14 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2018-01-02 18:28:14 +0000 |
| commit | cd5ff7bc323a8fa6eafc4513bc814e4e7fa24120 (patch) | |
| tree | 4a69a3ee23bde8480b983e60720932a0219c7a95 /gcc/simplify-rtx.c | |
| parent | 3d8ca53dd9b4c42b07ef974f92c3c4553cce3a79 (diff) | |
| download | gcc-cd5ff7bc323a8fa6eafc4513bc814e4e7fa24120.zip gcc-cd5ff7bc323a8fa6eafc4513bc814e4e7fa24120.tar.gz gcc-cd5ff7bc323a8fa6eafc4513bc814e4e7fa24120.tar.bz2 | |
Make CONST_VECTOR_ELT handle implicitly-encoded elements
This patch makes CONST_VECTOR_ELT handle implicitly-encoded elements,
in a similar way to VECTOR_CST_ELT.
2018-01-02 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* rtl.h (CONST_VECTOR_ELT): Redefine to const_vector_elt.
(const_vector_encoded_nelts): New function.
(CONST_VECTOR_NUNITS): Redefine to use GET_MODE_NUNITS.
(const_vector_int_elt, const_vector_elt): Declare.
* emit-rtl.c (const_vector_int_elt_1): New function.
(const_vector_elt): Likewise.
* simplify-rtx.c (simplify_immed_subreg): Avoid taking the address
of CONST_VECTOR_ELT.
From-SVN: r256104
Diffstat (limited to 'gcc/simplify-rtx.c')
| -rw-r--r-- | gcc/simplify-rtx.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index fd6cba7..22cabc5 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -5991,13 +5991,11 @@ simplify_immed_subreg (fixed_size_mode outermode, rtx op, if (GET_CODE (op) == CONST_VECTOR) { num_elem = CONST_VECTOR_NUNITS (op); - elems = &CONST_VECTOR_ELT (op, 0); elem_bitsize = GET_MODE_UNIT_BITSIZE (innermode); } else { num_elem = 1; - elems = &op; elem_bitsize = max_bitsize; } /* If this asserts, it is too complicated; reducing value_bit may help. */ @@ -6008,7 +6006,9 @@ simplify_immed_subreg (fixed_size_mode outermode, rtx op, for (elem = 0; elem < num_elem; elem++) { unsigned char * vp; - rtx el = elems[elem]; + rtx el = (GET_CODE (op) == CONST_VECTOR + ? CONST_VECTOR_ELT (op, elem) + : op); /* Vectors are kept in target memory order. (This is probably a mistake.) */ |