diff options
Diffstat (limited to 'gcc/config/i386/i386-expand.cc')
| -rw-r--r-- | gcc/config/i386/i386-expand.cc | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/config/i386/i386-expand.cc b/gcc/config/i386/i386-expand.cc index fd9bcaa..438fa4e 100644 --- a/gcc/config/i386/i386-expand.cc +++ b/gcc/config/i386/i386-expand.cc @@ -4159,12 +4159,18 @@ static bool ix86_expand_sse_fp_minmax (rtx dest, enum rtx_code code, rtx cmp_op0, rtx cmp_op1, rtx if_true, rtx if_false) { - machine_mode mode; + machine_mode mode = GET_MODE (dest); bool is_min; rtx tmp; if (code == LT) ; + else if (code == LE && !HONOR_NANS (mode)) + { + /* We can swap LE to GE and then invert to LT. */ + std::swap (cmp_op0, cmp_op1); + std::swap (if_true, if_false); + } else if (code == UNGE) std::swap (if_true, if_false); else @@ -4177,7 +4183,6 @@ ix86_expand_sse_fp_minmax (rtx dest, enum rtx_code code, rtx cmp_op0, else return false; - mode = GET_MODE (dest); if (immediate_operand (if_false, mode)) if_false = force_reg (mode, if_false); if (immediate_operand (if_true, mode)) |