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| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-01-03 19:41:06 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-01-03 19:41:06 +0000 |
| commit | 4c3f4e89ebe7cb39ed666b6cd2fdfd69bdd87b02 (patch) | |
| tree | 547100dbbf027f84c7bcd3cfd648ba2e4d3f7248 /gcc/simplify-rtx.c | |
| parent | 7229ff38143252a174108e998c397190c13a289a (diff) | |
| download | gcc-4c3f4e89ebe7cb39ed666b6cd2fdfd69bdd87b02.tar.gz | |
* simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@92861 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/simplify-rtx.c')
| -rw-r--r-- | gcc/simplify-rtx.c | 44 |
1 files changed, 38 insertions, 6 deletions
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index 34b0ab8fe20..6525e1604aa 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -1190,14 +1190,11 @@ simplify_binary_operation (enum rtx_code code, enum machine_mode mode, && GET_CODE (trueop0) == CONST_VECTOR && GET_CODE (trueop1) == CONST_VECTOR) { - int elt_size = GET_MODE_SIZE (GET_MODE_INNER (mode)); - unsigned n_elts = (GET_MODE_SIZE (mode) / elt_size); + unsigned n_elts = GET_MODE_NUNITS (mode); enum machine_mode op0mode = GET_MODE (trueop0); - int op0_elt_size = GET_MODE_SIZE (GET_MODE_INNER (op0mode)); - unsigned op0_n_elts = (GET_MODE_SIZE (op0mode) / op0_elt_size); + unsigned op0_n_elts = GET_MODE_NUNITS (op0mode); enum machine_mode op1mode = GET_MODE (trueop1); - int op1_elt_size = GET_MODE_SIZE (GET_MODE_INNER (op1mode)); - unsigned op1_n_elts = (GET_MODE_SIZE (op1mode) / op1_elt_size); + unsigned op1_n_elts = GET_MODE_NUNITS (op1mode); rtvec v = rtvec_alloc (n_elts); unsigned int i; @@ -1216,6 +1213,41 @@ simplify_binary_operation (enum rtx_code code, enum machine_mode mode, return gen_rtx_CONST_VECTOR (mode, v); } + if (VECTOR_MODE_P (mode) + && code == VEC_CONCAT + && CONSTANT_P (trueop0) && CONSTANT_P (trueop1)) + { + unsigned n_elts = GET_MODE_NUNITS (mode); + rtvec v = rtvec_alloc (n_elts); + + gcc_assert (n_elts >= 2); + if (n_elts == 2) + { + gcc_assert (GET_CODE (trueop0) != CONST_VECTOR); + gcc_assert (GET_CODE (trueop1) != CONST_VECTOR); + + RTVEC_ELT (v, 0) = trueop0; + RTVEC_ELT (v, 1) = trueop1; + } + else + { + unsigned op0_n_elts = GET_MODE_NUNITS (GET_MODE (trueop0)); + unsigned op1_n_elts = GET_MODE_NUNITS (GET_MODE (trueop1)); + unsigned i; + + gcc_assert (GET_CODE (trueop0) == CONST_VECTOR); + gcc_assert (GET_CODE (trueop1) == CONST_VECTOR); + gcc_assert (op0_n_elts + op1_n_elts == n_elts); + + for (i = 0; i < op0_n_elts; ++i) + RTVEC_ELT (v, i) = XVECEXP (trueop0, 0, i); + for (i = 0; i < op1_n_elts; ++i) + RTVEC_ELT (v, op0_n_elts+i) = XVECEXP (trueop1, 0, i); + } + + return gen_rtx_CONST_VECTOR (mode, v); + } + if (GET_MODE_CLASS (mode) == MODE_FLOAT && GET_CODE (trueop0) == CONST_DOUBLE && GET_CODE (trueop1) == CONST_DOUBLE |