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| author | Richard Kenner <kenner@gcc.gnu.org> | 1996-01-31 08:25:57 -0500 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1996-01-31 08:25:57 -0500 |
| commit | 3c758d821a49e53d1c4030adf5c780af2d18bf20 (patch) | |
| tree | 40345b956e3a4a22933956ceadcff48b94513863 | |
| parent | 16d82c3cf633c1de007869414e13cdedcfe553ec (diff) | |
| download | gcc-3c758d821a49e53d1c4030adf5c780af2d18bf20.zip gcc-3c758d821a49e53d1c4030adf5c780af2d18bf20.tar.gz gcc-3c758d821a49e53d1c4030adf5c780af2d18bf20.tar.bz2 | |
(movqi): Use moveq if possible.
From-SVN: r11138
| -rw-r--r-- | gcc/config/m68k/m68k.md | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/config/m68k/m68k.md b/gcc/config/m68k/m68k.md index d65d84d..84c197c 100644 --- a/gcc/config/m68k/m68k.md +++ b/gcc/config/m68k/m68k.md @@ -1071,6 +1071,17 @@ return \"st %0\"; } } + if (GET_CODE (operands[1]) == CONST_INT + && DATA_REG_P (operands[0]) + && INTVAL (operands[1]) < 128 + && INTVAL (operands[1]) >= -128) + { +#if defined(MOTOROLA) && !defined(CRDS) + return \"moveq%.l %1,%0\"; +#else + return \"moveq %1,%0\"; +#endif + } if (GET_CODE (operands[1]) != CONST_INT && CONSTANT_P (operands[1])) return \"move%.l %1,%0\"; if (ADDRESS_REG_P (operands[0]) || ADDRESS_REG_P (operands[1])) |