+2002-08-01 Toon Moene <toon@moene.indiv.nluug.nl>
+
+ * c-common.c (cb_register_builtins): Set
+ __FINITE_MATH_ONLY__ to 1 if -ffinite-math-only
+ is given, and to 0 otherwise.
+ * combine.c (simplify_if_then_else): HONOR_NANS
+ implies FLOAT_MODE_P.
+
2002-08-01 Neil Booth <neil@daikokuya.co.uk>
* cppinit.c (COMMAND_LINE_OPTIONS): Remove OPT_dollar.
if (flag_signaling_nans)
cpp_define (pfile, "__SUPPORT_SNAN__");
if (flag_finite_math_only)
- cpp_define (pfile, "__FINITE_MATH_ONLY__");
+ cpp_define (pfile, "__FINITE_MATH_ONLY__=1");
+ else
+ cpp_define (pfile, "__FINITE_MATH_ONLY__=0");
if (flag_iso)
cpp_define (pfile, "__STRICT_ANSI__");
/* Convert a == b ? b : a to "a". */
if (true_code == EQ && ! side_effects_p (cond)
- && (!FLOAT_MODE_P (mode) || !HONOR_NANS (mode))
+ && !HONOR_NANS (mode)
&& rtx_equal_p (XEXP (cond, 0), false_rtx)
&& rtx_equal_p (XEXP (cond, 1), true_rtx))
return false_rtx;
else if (true_code == NE && ! side_effects_p (cond)
- && (!FLOAT_MODE_P (mode) || !HONOR_NANS (mode))
+ && !HONOR_NANS (mode)
&& rtx_equal_p (XEXP (cond, 0), true_rtx)
&& rtx_equal_p (XEXP (cond, 1), false_rtx))
return true_rtx;