diff options
Diffstat (limited to 'gcc/optabs.c')
| -rw-r--r-- | gcc/optabs.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/optabs.c b/gcc/optabs.c index d743fc8bd5e..22a9d2a720f 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -2388,9 +2388,10 @@ emit_unop_insn (icode, target, op0, code) op0 = protect_from_queue (op0, 0); - /* Sign extension from memory is often done specially on RISC - machines, so forcing into a register here can pessimize code. */ - if (flag_force_mem && code != SIGN_EXTEND) + /* Sign and zero extension from memory is often done specially on + RISC machines, so forcing into a register here can pessimize + code. */ + if (flag_force_mem && code != SIGN_EXTEND && code != ZERO_EXTEND) op0 = force_not_mem (op0); /* Now, if insn does not accept our operands, put them into pseudos. */ |