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[PATCH] * lib/intprops.h (INT_MULTIPLY_WRAPV): Simplify gcc -E output.
From: |
Paul Eggert |
Subject: |
[PATCH] * lib/intprops.h (INT_MULTIPLY_WRAPV): Simplify gcc -E output. |
Date: |
Tue, 19 Nov 2019 09:45:21 -0800 |
---
lib/intprops.h | 17 ++++++++++-------
1 file changed, 10 insertions(+), 7 deletions(-)
diff --git a/lib/intprops.h b/lib/intprops.h
index 6a49c5ad4..d0c2d706d 100644
--- a/lib/intprops.h
+++ b/lib/intprops.h
@@ -373,13 +373,16 @@
_GL_INT_OP_WRAPV (a, b, r, -, _GL_INT_SUBTRACT_RANGE_OVERFLOW)
#endif
#if _GL_HAS_BUILTIN_MUL_OVERFLOW
-/* Work around GCC bug 91450 (fixed in GCC 9.3). */
-# define INT_MULTIPLY_WRAPV(a, b, r) \
- ((! (9 < __GNUC__ + (3 <= __GNUC_MINOR__)) \
- && !_GL_SIGNED_TYPE_OR_EXPR (*(r)) && EXPR_SIGNED (a) && EXPR_SIGNED (b) \
- && _GL_INT_MULTIPLY_RANGE_OVERFLOW (a, b, 0, (__typeof__ (*(r))) -1)) \
- ? ((void) __builtin_mul_overflow (a, b, r), 1) \
- : __builtin_mul_overflow (a, b, r))
+# if 9 < __GNUC__ + (3 <= __GNUC_MINOR__)
+# define INT_MULTIPLY_WRAPV(a, b, r) __builtin_mul_overflow (a, b, r)
+# else
+ /* Work around GCC bug 91450. */
+# define INT_MULTIPLY_WRAPV(a, b, r) \
+ ((!_GL_SIGNED_TYPE_OR_EXPR (*(r)) && EXPR_SIGNED (a) && EXPR_SIGNED (b) \
+ && _GL_INT_MULTIPLY_RANGE_OVERFLOW (a, b, 0, (__typeof__ (*(r))) -1)) \
+ ? ((void) __builtin_mul_overflow (a, b, r), 1) \
+ : __builtin_mul_overflow (a, b, r))
+# endif
#else
# define INT_MULTIPLY_WRAPV(a, b, r) \
_GL_INT_OP_WRAPV (a, b, r, *, _GL_INT_MULTIPLY_RANGE_OVERFLOW)
--
2.23.0
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