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| author | Jim Wilson <wilson@gcc.gnu.org> | 1993-08-08 15:10:02 -0700 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 1993-08-08 15:10:02 -0700 |
| commit | 302484ff4a3f38eedece5cc70d0cce7698689f12 (patch) | |
| tree | aaed0982d8740a60a4e39feed2ef919586ebe1ca | |
| parent | 96f69de58d87a0a58f6bfebfbf746ee87d6146f8 (diff) | |
| download | gcc-302484ff4a3f38eedece5cc70d0cce7698689f12.zip gcc-302484ff4a3f38eedece5cc70d0cce7698689f12.tar.gz gcc-302484ff4a3f38eedece5cc70d0cce7698689f12.tar.bz2 | |
(reg_or_0_operand): Use fp_zero_operand.
(fp_zero_operand): New function.
From-SVN: r5113
| -rw-r--r-- | gcc/config/sparc/sparc.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c index ae0c45e..6f0f389 100644 --- a/gcc/config/sparc/sparc.c +++ b/gcc/config/sparc/sparc.c @@ -96,13 +96,28 @@ reg_or_0_operand (op, mode) { if (op == const0_rtx || register_operand (op, mode)) return 1; - if (GET_CODE (op) == CONST_DOUBLE + if (GET_MODE (op) == DImode && GET_CODE (op) == CONST_DOUBLE && CONST_DOUBLE_HIGH (op) == 0 && CONST_DOUBLE_LOW (op) == 0) return 1; + if (GET_MODE_CLASS (GET_MODE (op)) == MODE_FLOAT + && GET_CODE (op) == CONST_DOUBLE + && fp_zero_operand (op)) + return 1; return 0; } +/* Nonzero if OP is a floating point value with value 0.0. */ +int +fp_zero_operand (op) + rtx op; +{ + REAL_VALUE_TYPE r; + + REAL_VALUE_FROM_CONST_DOUBLE (r, op); + return REAL_VALUES_EQUAL (r, dconst0); +} + /* Nonzero if OP can appear as the dest of a RESTORE insn. */ int restore_operand (op, mode) |