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| author | Jakub Jelinek <jakub@redhat.com> | 2017-11-22 21:48:38 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2017-11-22 21:48:38 +0100 |
| commit | 217e4393f7540b4f32c4eafbe3ffeceeb063eb30 (patch) | |
| tree | 264eddb370dec5ee4c22fdabee17192ddb563af4 /gcc | |
| parent | a97ae55991e4849f162a61bbf980009d549107e7 (diff) | |
| download | gcc-217e4393f7540b4f32c4eafbe3ffeceeb063eb30.zip gcc-217e4393f7540b4f32c4eafbe3ffeceeb063eb30.tar.gz gcc-217e4393f7540b4f32c4eafbe3ffeceeb063eb30.tar.bz2 | |
simplify-rtx.c (simplify_binary_operation_1): Handle the case where both arguments are using gen_const_vec_series.
* simplify-rtx.c (simplify_binary_operation_1) <case VEC_SERIES>:
Handle the case where both arguments are using gen_const_vec_series.
From-SVN: r255079
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/simplify-rtx.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c9793ec..2bb7a54 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2017-11-22 Jakub Jelinek <jakub@redhat.com> + + * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SERIES>: + Handle the case where both arguments are using gen_const_vec_series. + 2017-11-22 David Malcolm <dmalcolm@redhat.com> PR c++/62170 diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index 36a2e37..806c309 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -3566,6 +3566,8 @@ simplify_binary_operation_1 (enum rtx_code code, machine_mode mode, case VEC_SERIES: if (op1 == CONST0_RTX (GET_MODE_INNER (mode))) return gen_vec_duplicate (mode, op0); + if (CONSTANT_P (op0) && CONSTANT_P (op1)) + return gen_const_vec_series (mode, op0, op1); return 0; case VEC_SELECT: @@ -6652,6 +6654,9 @@ test_vector_ops_series (machine_mode mode, rtx scalar_reg) ASSERT_RTX_EQ (series_r_1, simplify_binary_operation (MINUS, mode, duplicate, series_0_m1)); + ASSERT_RTX_EQ (series_0_m1, + simplify_binary_operation (VEC_SERIES, mode, const0_rtx, + constm1_rtx)); } /* Verify some simplifications involving vectors. */ |