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| author | Richard Kenner <kenner@gcc.gnu.org> | 1993-09-01 18:41:28 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1993-09-01 18:41:28 -0400 |
| commit | eb4e8003779f378da296e06a7ad0548cad10048e (patch) | |
| tree | 5de247fc4cc2a44a1bd8dd0270b4739b02f1c5d2 | |
| parent | 87935f601efe35aa8fbefbd4cb53c92864148b14 (diff) | |
| download | gcc-eb4e8003779f378da296e06a7ad0548cad10048e.zip gcc-eb4e8003779f378da296e06a7ad0548cad10048e.tar.gz gcc-eb4e8003779f378da296e06a7ad0548cad10048e.tar.bz2 | |
(input_operand): Allow "easy" FP constants.
From-SVN: r5241
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index bad874a..56cc6cd 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -405,14 +405,21 @@ input_operand (op, mode) register rtx op; enum machine_mode mode; { + /* Memory is always valid. */ if (memory_operand (op, mode)) return 1; - /* For floating-point or multi-word mode, only register or memory - is valid. */ + /* For floating-point, easy constants are valid. */ + if (GET_MODE_CLASS (mode) == MODE_FLOAT + && CONSTANT_P (op) + && easy_fp_constant (op, mode)) + return 1; + + /* For floating-point or multi-word mode, the only remaining valid type + is a register. */ if (GET_MODE_CLASS (mode) == MODE_FLOAT || GET_MODE_SIZE (mode) > UNITS_PER_WORD) - return gpc_reg_operand (op, mode); + return register_operand (op, mode); /* The only cases left are integral modes one word or smaller (we do not get called for MODE_CC values). These can be in any |