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| author | Torbjorn Granlund <tege@gnu.org> | 1994-07-01 11:40:45 +0000 |
|---|---|---|
| committer | Torbjorn Granlund <tege@gnu.org> | 1994-07-01 11:40:45 +0000 |
| commit | ab0b65811bd9a0ed2408e16d756c712818d9a8d8 (patch) | |
| tree | 1ca7498e0f6ebe70a9687650f3a5cfa8ad806238 /gcc | |
| parent | e9c1141151358c5713eefd54d900a816db88fa22 (diff) | |
| download | gcc-ab0b65811bd9a0ed2408e16d756c712818d9a8d8.zip gcc-ab0b65811bd9a0ed2408e16d756c712818d9a8d8.tar.gz gcc-ab0b65811bd9a0ed2408e16d756c712818d9a8d8.tar.bz2 | |
(expand_divmod): Put OP0 in a register when computing
remainder, or when OP1 is constant.
From-SVN: r7628
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/expmed.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/expmed.c b/gcc/expmed.c index 5df0188..50ebb67 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -2680,9 +2680,10 @@ expand_divmod (rem_flag, code, mode, op0, op1, target, unsignedp) if (GET_CODE (op1) == MEM && MEM_VOLATILE_P (op1)) op1 = force_reg (compute_mode, op1); -#if 0 - op0 = force_reg (mode, op0); -#endif + /* If we need the remainder or if OP1 is constant, we need to + put OP0 in a register in case it has any queued subexpressions. */ + if (rem_flag || op1_is_constant) + op0 = force_reg (compute_mode, op0); last = get_last_insn (); |