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| author | Jeff Law <law@gcc.gnu.org> | 2019-05-31 15:40:25 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2019-05-31 15:40:25 -0600 |
| commit | 29c1593246765176943b642021fb0be67d25be76 (patch) | |
| tree | 51ca5ac9d299532157d03bd11e29a14df3d81e18 /gcc/config/mips/mips.c | |
| parent | e7393c8936b9cfb1a28f7e16043c107490491ba4 (diff) | |
| download | gcc-29c1593246765176943b642021fb0be67d25be76.zip gcc-29c1593246765176943b642021fb0be67d25be76.tar.gz gcc-29c1593246765176943b642021fb0be67d25be76.tar.bz2 | |
mips.c (mips_expand_builtin_insn): Swap the 1st and 3rd operands of the fmadd/fmsub/maddv builtin.
* config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
and 3rd operands of the fmadd/fmsub/maddv builtin.
* gcc.target/mips/msa-fmadd.c: New.
From-SVN: r271826
Diffstat (limited to 'gcc/config/mips/mips.c')
| -rw-r--r-- | gcc/config/mips/mips.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c index 6eafe3d..c6433dc 100644 --- a/gcc/config/mips/mips.c +++ b/gcc/config/mips/mips.c @@ -16867,6 +16867,19 @@ mips_expand_builtin_insn (enum insn_code icode, unsigned int nops, std::swap (ops[1], ops[2]); break; + case CODE_FOR_msa_maddv_b: + case CODE_FOR_msa_maddv_h: + case CODE_FOR_msa_maddv_w: + case CODE_FOR_msa_maddv_d: + case CODE_FOR_msa_fmadd_w: + case CODE_FOR_msa_fmadd_d: + case CODE_FOR_msa_fmsub_w: + case CODE_FOR_msa_fmsub_d: + /* fma(a, b, c) results into (a * b + c), however builtin_msa_fmadd expects + it to be (a + b * c). Swap the 1st and 3rd operands. */ + std::swap (ops[1], ops[3]); + break; + case CODE_FOR_msa_slli_b: case CODE_FOR_msa_slli_h: case CODE_FOR_msa_slli_w: |