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Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index fbd72244..d5ff690 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -116,6 +116,8 @@ REAL_VALUE_TYPE dconstm1; REAL_VALUE_TYPE dconstm2; REAL_VALUE_TYPE dconsthalf; REAL_VALUE_TYPE dconstthird; +REAL_VALUE_TYPE dconstpi; +REAL_VALUE_TYPE dconste; /* All references to the following fixed hard registers go through these unique rtl objects. On machines where the frame-pointer and @@ -5427,6 +5429,13 @@ init_emit_once (int line_numbers) real_arithmetic (&dconstthird, RDIV_EXPR, &dconst1, &dconst3); + /* Initialize mathematical constants for constant folding builtins. + These constants need to be given to at least 160 bits precision. */ + real_from_string (&dconstpi, + "3.1415926535897932384626433832795028841971693993751058209749445923078"); + real_from_string (&dconste, + "2.7182818284590452353602874713526624977572470936999595749669676277241"); + for (i = 0; i < (int) ARRAY_SIZE (const_tiny_rtx); i++) { REAL_VALUE_TYPE *r = |