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| author | Kaveh R. Ghazi <ghazi@caip.rutgers.edu> | 2009-08-14 16:44:36 +0000 |
|---|---|---|
| committer | Kaveh Ghazi <ghazi@gcc.gnu.org> | 2009-08-14 16:44:36 +0000 |
| commit | 2f440f6abab72e52aed64f86cd1af2ac8d4ece32 (patch) | |
| tree | d56a6176a6e43d637f2ab3512ce5fd889d048d90 /gcc/fold-const.c | |
| parent | fe83055dfa93a7a68ba98042f2ffcb7d6b140154 (diff) | |
| download | gcc-2f440f6abab72e52aed64f86cd1af2ac8d4ece32.zip gcc-2f440f6abab72e52aed64f86cd1af2ac8d4ece32.tar.gz gcc-2f440f6abab72e52aed64f86cd1af2ac8d4ece32.tar.bz2 | |
re PR middle-end/30789 (complex folding inexact)
PR middle-end/30789
* builtins.c (do_mpc_arg2): Make extern, define for any MPC
version. Move declaration...
* real.h (do_mpc_arg2): ... here.
* fold-const.c (const_binop): Use MPC for complex MULT_EXPR
and RDIV_EXPR.
testsuite:
* gcc.dg/torture/builtin-math-7.c: New.
From-SVN: r150760
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 803c7a5..342e376 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -1972,6 +1972,11 @@ const_binop (enum tree_code code, tree arg1, tree arg2, int notrunc) break; case MULT_EXPR: +#ifdef HAVE_mpc + if (COMPLEX_FLOAT_TYPE_P (type)) + return do_mpc_arg2 (arg1, arg2, type, mpc_mul); +#endif + real = const_binop (MINUS_EXPR, const_binop (MULT_EXPR, r1, r2, notrunc), const_binop (MULT_EXPR, i1, i2, notrunc), @@ -1983,6 +1988,11 @@ const_binop (enum tree_code code, tree arg1, tree arg2, int notrunc) break; case RDIV_EXPR: +#ifdef HAVE_mpc + if (COMPLEX_FLOAT_TYPE_P (type)) + return do_mpc_arg2 (arg1, arg2, type, mpc_div); +#endif + { tree magsquared = const_binop (PLUS_EXPR, |