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

Causes "unexpected AST of kind MULT_HIGHPART" error with
bootstrap from gcc 4.8.

        * longlong.h [__alpha] (umul_ppmm): Disable for c++.

From-SVN: r216811
This commit is contained in:
Richard Henderson 2014-10-28 13:22:40 -07:00 committed by Richard Henderson
parent 69e0940091
commit 99630555c2
2 changed files with 8 additions and 0 deletions
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4
include/ChangeLog
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@ -1,3 +1,7 @@
2014-10-28 Richard Henderson <rth@redhat.com>
* longlong.h [__alpha] (umul_ppmm): Disable for c++.
2014-10-28 Yury Gribov <y.gribov@samsung.com>
* libiberty.h (strtol, strtoul, strtoll, strtoull): New prototypes.

4
include/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; \