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| author | Revital Eres <eres@il.ibm.com> | 2007-09-04 12:11:11 +0000 |
|---|---|---|
| committer | Revital Eres <revitale@gcc.gnu.org> | 2007-09-04 12:11:11 +0000 |
| commit | a1a826110720eda37c73f829daa4ee243ee953f5 (patch) | |
| tree | 67cecf461cc930540853bd8eb0d4f19b3b21b0ce /gcc/simplify-rtx.c | |
| parent | cea79118fa00faf811626e67209ca666468bc76f (diff) | |
| download | gcc-a1a826110720eda37c73f829daa4ee243ee953f5.zip gcc-a1a826110720eda37c73f829daa4ee243ee953f5.tar.gz gcc-a1a826110720eda37c73f829daa4ee243ee953f5.tar.bz2 | |
Add new fp flags: -fassociative-math and -freciprocal-math
Co-Authored-By: R. Clint Whaley <whaley@cs.utsa.edu>
Co-Authored-By: Richard Guenther <rguenther@suse.de>
From-SVN: r128075
Diffstat (limited to 'gcc/simplify-rtx.c')
| -rw-r--r-- | gcc/simplify-rtx.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index 857b741..ac91f2f 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -1723,9 +1723,9 @@ simplify_binary_operation_1 (enum rtx_code code, enum machine_mode mode, return tem; /* Reassociate floating point addition only when the user - specifies unsafe math optimizations. */ + specifies associative math operations. */ if (FLOAT_MODE_P (mode) - && flag_unsafe_math_optimizations) + && flag_associative_math) { tem = simplify_associative_operation (code, mode, op0, op1); if (tem) @@ -2480,8 +2480,8 @@ simplify_binary_operation_1 (enum rtx_code code, enum machine_mode mode, return simplify_gen_unary (NEG, mode, op0, mode); /* Change FP division by a constant into multiplication. - Only do this with -funsafe-math-optimizations. */ - if (flag_unsafe_math_optimizations + Only do this with -freciprocal-math. */ + if (flag_reciprocal_math && !REAL_VALUES_EQUAL (d, dconst0)) { REAL_ARITHMETIC (d, RDIV_EXPR, dconst1, d); |