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| author | Brad Lucier <lucier@math.purdue.edu> | 2001-03-07 11:29:41 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2001-03-07 11:29:41 -0800 |
| commit | de6c59795844f185e1079034b9fa777fbc12ef5a (patch) | |
| tree | 996aa9dfa54be0d228dde6e7394f9adf66f7c76c /gcc/combine.c | |
| parent | 6822468a694e59639c0f97975a2f48951501fd37 (diff) | |
| download | gcc-de6c59795844f185e1079034b9fa777fbc12ef5a.zip gcc-de6c59795844f185e1079034b9fa777fbc12ef5a.tar.gz gcc-de6c59795844f185e1079034b9fa777fbc12ef5a.tar.bz2 | |
Brad's -ffast-math breakup.
From-SVN: r40300
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index bf6a1ee..ca69870 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -4021,7 +4021,7 @@ combine_simplify_rtx (x, op0_mode, last, in_dest) && (! FLOAT_MODE_P (mode) /* x-y != -(y-x) with IEEE floating point. */ || TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT - || flag_fast_math)) + || flag_unsafe_math_optimizations)) return gen_binary (MINUS, mode, XEXP (XEXP (x, 0), 1), XEXP (XEXP (x, 0), 0)); @@ -4189,7 +4189,7 @@ combine_simplify_rtx (x, op0_mode, last, in_dest) /* In IEEE floating point, x-0 is not the same as x. */ if ((TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT || ! FLOAT_MODE_P (GET_MODE (XEXP (x, 0))) - || flag_fast_math) + || flag_unsafe_math_optimizations) && XEXP (x, 1) == CONST0_RTX (GET_MODE (XEXP (x, 0)))) return XEXP (x, 0); break; @@ -4777,12 +4777,12 @@ simplify_if_then_else (x) /* Convert a == b ? b : a to "a". */ if (true_code == EQ && ! side_effects_p (cond) - && (! FLOAT_MODE_P (mode) || flag_fast_math) + && (! FLOAT_MODE_P (mode) || flag_unsafe_math_optimizations) && rtx_equal_p (XEXP (cond, 0), false_rtx) && rtx_equal_p (XEXP (cond, 1), true_rtx)) return false_rtx; else if (true_code == NE && ! side_effects_p (cond) - && (! FLOAT_MODE_P (mode) || flag_fast_math) + && (! FLOAT_MODE_P (mode) || flag_unsafe_math_optimizations) && rtx_equal_p (XEXP (cond, 0), true_rtx) && rtx_equal_p (XEXP (cond, 1), false_rtx)) return true_rtx; @@ -4810,7 +4810,7 @@ simplify_if_then_else (x) /* Look for MIN or MAX. */ - if ((! FLOAT_MODE_P (mode) || flag_fast_math) + if ((! FLOAT_MODE_P (mode) || flag_unsafe_math_optimizations) && comparison_p && rtx_equal_p (XEXP (cond, 0), true_rtx) && rtx_equal_p (XEXP (cond, 1), false_rtx) |