diff options
Diffstat (limited to 'contrib/gcc/expr.c')
| -rw-r--r-- | contrib/gcc/expr.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/contrib/gcc/expr.c b/contrib/gcc/expr.c index aa80ae6..fcb5b0c 100644 --- a/contrib/gcc/expr.c +++ b/contrib/gcc/expr.c @@ -8107,7 +8107,7 @@ expand_expr_real (tree exp, rtx target, enum machine_mode tmode, /* At this point, a MEM target is no longer useful; we will get better code without it. */ - if (GET_CODE (target) == MEM) + if (! REG_P (target)) target = gen_reg_rtx (mode); /* If op1 was placed in target, swap op0 and op1. */ @@ -8118,6 +8118,11 @@ expand_expr_real (tree exp, rtx target, enum machine_mode tmode, op1 = tem; } + /* We generate better code and avoid problems with op1 mentioning + target by forcing op1 into a pseudo if it isn't a constant. */ + if (! CONSTANT_P (op1)) + op1 = force_reg (mode, op1); + if (target != op0) emit_move_insn (target, op0); |
