* emit-rtl.c (dconstpi): Delete.
(dconstsqrt2): New.
(init_emit_once): Delete dconstpi and init dconstsqrt2.
* real.h (dconstpi): Delete.
(dconstsqrt2): New.
* builtins.c (fold_builtin_cabs): Use dconstsqrt2.
(fold_builtin_hypot): Likewise.
From-SVN: r121550
+2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * emit-rtl.c (dconstpi): Delete.
+ (dconstsqrt2): New.
+ (init_emit_once): Delete dconstpi and init dconstsqrt2.
+ * real.h (dconstpi): Delete.
+ (dconstsqrt2): New.
+ * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
+ (fold_builtin_hypot): Likewise.
+
2007-02-03 Tom Tromey <tromey@redhat.com>
PR driver/30246
if (flag_unsafe_math_optimizations
&& operand_equal_p (real, imag, OEP_PURE_SAME))
{
- REAL_VALUE_TYPE sqrt2;
-
- real_sqrt (&sqrt2, TYPE_MODE (type), &dconst2);
+ const REAL_VALUE_TYPE sqrt2_trunc
+ = real_value_truncate (TYPE_MODE (type), dconstsqrt2);
STRIP_NOPS (real);
return fold_build2 (MULT_EXPR, type,
fold_build1 (ABS_EXPR, type, real),
- build_real (type, sqrt2));
+ build_real (type, sqrt2_trunc));
}
}
if (flag_unsafe_math_optimizations
&& operand_equal_p (arg0, arg1, OEP_PURE_SAME))
{
- REAL_VALUE_TYPE sqrt2;
-
- real_sqrt (&sqrt2, TYPE_MODE (type), &dconst2);
+ const REAL_VALUE_TYPE sqrt2_trunc
+ = real_value_truncate (TYPE_MODE (type), dconstsqrt2);
return fold_build2 (MULT_EXPR, type,
fold_build1 (ABS_EXPR, type, arg0),
- build_real (type, sqrt2));
+ build_real (type, sqrt2_trunc));
}
return NULL_TREE;
REAL_VALUE_TYPE dconstm2;
REAL_VALUE_TYPE dconsthalf;
REAL_VALUE_TYPE dconstthird;
-REAL_VALUE_TYPE dconstpi;
+REAL_VALUE_TYPE dconstsqrt2;
REAL_VALUE_TYPE dconste;
/* All references to the following fixed hard registers go through
/* 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 (&dconstsqrt2,
+ "1.4142135623730950488016887242096980785696718753769480731766797379907");
real_from_string (&dconste,
"2.7182818284590452353602874713526624977572470936999595749669676277241");
extern REAL_VALUE_TYPE dconstm2;
extern REAL_VALUE_TYPE dconsthalf;
extern REAL_VALUE_TYPE dconstthird;
-extern REAL_VALUE_TYPE dconstpi;
+extern REAL_VALUE_TYPE dconstsqrt2;
extern REAL_VALUE_TYPE dconste;
/* Function to return a real value (not a tree node)