diff options
Diffstat (limited to 'gcc/config/i386/i386.c')
| -rw-r--r-- | gcc/config/i386/i386.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index d0e1be5df4a..a9c0aa750cf 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -18413,19 +18413,26 @@ ix86_expand_sse_cmp (rtx dest, enum rtx_code code, rtx cmp_op0, rtx cmp_op1, rtx op_true, rtx op_false) { enum machine_mode mode = GET_MODE (dest); + enum machine_mode cmp_mode = GET_MODE (cmp_op0); rtx x; - cmp_op0 = force_reg (mode, cmp_op0); - if (!nonimmediate_operand (cmp_op1, mode)) - cmp_op1 = force_reg (mode, cmp_op1); + cmp_op0 = force_reg (cmp_mode, cmp_op0); + if (!nonimmediate_operand (cmp_op1, cmp_mode)) + cmp_op1 = force_reg (cmp_mode, cmp_op1); if (optimize || reg_overlap_mentioned_p (dest, op_true) || reg_overlap_mentioned_p (dest, op_false)) dest = gen_reg_rtx (mode); - x = gen_rtx_fmt_ee (code, mode, cmp_op0, cmp_op1); - emit_insn (gen_rtx_SET (VOIDmode, dest, x)); + x = gen_rtx_fmt_ee (code, cmp_mode, cmp_op0, cmp_op1); + if (cmp_mode != mode) + { + x = force_reg (cmp_mode, x); + convert_move (dest, x, false); + } + else + emit_insn (gen_rtx_SET (VOIDmode, dest, x)); return dest; } |