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longlong.h: Disable alpha umul_ppmm for old g++

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Causes "unexpected AST of kind MULT_HIGHPART" error with bootstrap from gcc 4.8.
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Richard Henderson 2014-10-28 13:26:24 -07:00 committed by Mike Frysinger
parent 1f89b8d881
commit 7f49b7c020
2 changed files with 8 additions and 0 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2016-01-07 Richard Henderson <rth@redhat.com>
* longlong.h [__alpha] (umul_ppmm): Disable for c++.
2016-01-07 Mike Frysinger <vapier@gentoo.org>
* sysdeps/unix/sysv/linux/fxstat64.c (___fxstat64): Change

4
stdlib/longlong.h
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@ -139,6 +139,9 @@ extern const UQItype __clz_tab[256] attribute_hidden;
#endif /* __aarch64__ */
#if defined (__alpha) && W_TYPE_SIZE == 64
/* There is a bug in g++ before version 5 that
errors on __builtin_alpha_umulh. */
#if !defined(__cplusplus) || __GNUC__ >= 5
#define umul_ppmm(ph, pl, m0, m1) \
do { \
UDItype __m0 = (m0), __m1 = (m1); \
@ -146,6 +149,7 @@ extern const UQItype __clz_tab[256] attribute_hidden;
(pl) = __m0 * __m1; \
} while (0)
#define UMUL_TIME 46
#endif /* !c++ */
#ifndef LONGLONG_STANDALONE
#define udiv_qrnnd(q, r, n1, n0, d) \
do { UDItype __r; \