diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/optabs.c | 9 |
2 files changed, 14 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 50be90525cb..f62484d5503 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Mon May 10 12:59:20 1999 Jeffrey A Law (law@cygnus.com) + + * optabs.c (emit_cmp_and_jump_insns): Handle the case where both + operands to the comparison are constants. + Mon May 10 07:28:10 1999 Bruce Korb <autogen@autogen.freeservers.com> * fixinc/inclhack.def(arm_norcroft_hint): check before fixing diff --git a/gcc/optabs.c b/gcc/optabs.c index 541471e0910..75f224c4809 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) |
