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| author | Joseph Myers <joseph@codesourcery.com> | 2013-11-21 16:20:28 +0000 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2013-11-21 16:20:28 +0000 |
| commit | 3c8e8595edb357b7ff80c86c46f79823ed1ecce1 (patch) | |
| tree | 83b4eb3d53777452e702fa4c144848ae515b5422 /gcc/simplify-rtx.c | |
| parent | 15e693cc593824fa56a2e52b756e1e2e4bad2a27 (diff) | |
| download | gcc-3c8e8595edb357b7ff80c86c46f79823ed1ecce1.zip gcc-3c8e8595edb357b7ff80c86c46f79823ed1ecce1.tar.gz gcc-3c8e8595edb357b7ff80c86c46f79823ed1ecce1.tar.bz2 | |
re PR rtl-optimization/55950 (Invalid sqrt constant propagation with -frounding-mode)
PR rtl-optimization/55950
* real.c (real_sqrt): Remove function.
* real.h (real_sqrt): Remove prototype.
* simplify-rtx.c (simplify_const_unary_operation): Do not fold
SQRT using real_sqrt.
From-SVN: r205223
Diffstat (limited to 'gcc/simplify-rtx.c')
| -rw-r--r-- | gcc/simplify-rtx.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index 791f90d..ec13858 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -1931,17 +1931,13 @@ simplify_const_unary_operation (enum rtx_code code, enum machine_mode mode, && SCALAR_FLOAT_MODE_P (mode) && SCALAR_FLOAT_MODE_P (GET_MODE (op))) { - REAL_VALUE_TYPE d, t; + REAL_VALUE_TYPE d; REAL_VALUE_FROM_CONST_DOUBLE (d, op); switch (code) { case SQRT: - if (HONOR_SNANS (mode) && real_isnan (&d)) - return 0; - real_sqrt (&t, mode, &d); - d = t; - break; + return 0; case ABS: d = real_value_abs (&d); break; |