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| author | Jeffrey A Law <law@cygnus.com> | 1999-05-10 12:05:24 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1999-05-10 06:05:24 -0600 |
| commit | 0ca40216d79d8b9bcf03e9c51d00357621750781 (patch) | |
| tree | dc70c5ce9029ea09e374ec66cc46cb97a0bcc102 /gcc/optabs.c | |
| parent | f2646f9c9a772664d468b288873de38175c1e1ec (diff) | |
| download | gcc-0ca40216d79d8b9bcf03e9c51d00357621750781.zip gcc-0ca40216d79d8b9bcf03e9c51d00357621750781.tar.gz gcc-0ca40216d79d8b9bcf03e9c51d00357621750781.tar.bz2 | |
optabs.c (emit_cmp_and_jump_insns): Handle the case where both operands to the comparison are constants.
* optabs.c (emit_cmp_and_jump_insns): Handle the case where both
operands to the comparison are constants.
From-SVN: r26860
Diffstat (limited to 'gcc/optabs.c')
| -rw-r--r-- | gcc/optabs.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/optabs.c b/gcc/optabs.c index 541471e..75f224c 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -2976,6 +2976,15 @@ emit_cmp_and_jump_insns (x, y, comparison, size, mode, unsignedp, align, label) op0 = x; op1 = y; } + +#ifdef HAVE_cc0 + /* If OP0 is still a constant, then both X and Y must be constants. Force + X into a register to avoid aborting in emit_cmp_insn due to non-canonical + RTL. */ + if (CONSTANT_P (op0)) + op0 = force_reg (mode, op0); +#endif + emit_cmp_insn (op0, op1, comparison, size, mode, unsignedp, align); if (unsignedp) |