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Tweak the conditions under which certain gcc builtins are used:

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- Unlike the builtin relational operators, builtin floating-point
  constants were not available until gcc 3.3, so account for this.[1]

- Apparently some versions of the Intel C Compiler fallaciously define
  __GNUC__ without actually being compatible with the claimed gcc
  version.  Account for this, too.[2]

[1] Noticed by:		Christian Hiris <4711@chello.at>
[2] Submitted by:	Alexander Leidinger <Alexander@Leidinger.net>
This commit is contained in:
David Schultz 2004-07-16 06:21:56 +00:00
parent 507e8f1644
commit 205d3300b8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=132246
1 changed files with 2 additions and 2 deletions
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lib/msun/src/math.h
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@ -34,11 +34,11 @@ extern const union __nan_un {
float __uf;
} __nan;
#if (defined(__GNUC__) && __GNUC__ >= 3) || defined(__INTEL_COMPILER)
#if (defined(__GNUC__) && ((__GNUC__ >= 3 && __GNUC_MINOR__ >= 3) || __GNUC__ >= 4)) || defined(__INTEL_COMPILER)
#define __MATH_BUILTIN_CONSTANTS
#endif
#if (defined(__GNUC__) && __GNUC__ >= 3)
#if (defined(__GNUC__) && __GNUC__ >= 3 && !defined(__INTEL_COMPILER))
#define __MATH_BUILTIN_RELOPS
#endif