diff options
author | Richard Henderson <rth@redhat.com> | 2014-10-28 13:22:40 -0700 |
---|---|---|
committer | Richard Henderson <rth@gcc.gnu.org> | 2014-10-28 13:22:40 -0700 |
commit | 99630555c2224e544a11928dcbc89e4a3f5ff1e7 (patch) | |
tree | 5cdf4c74b6ce26a951fabde718696ab67a4520d9 /include/longlong.h | |
parent | 69e09400911e0ced6a71873754ce736135458b4d (diff) | |
download | gcc-99630555c2224e544a11928dcbc89e4a3f5ff1e7.zip gcc-99630555c2224e544a11928dcbc89e4a3f5ff1e7.tar.gz gcc-99630555c2224e544a11928dcbc89e4a3f5ff1e7.tar.bz2 |
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
Diffstat (limited to 'include/longlong.h')
-rw-r--r-- | include/longlong.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/longlong.h b/include/longlong.h index 42c68dd..8cd2c79 100644 --- a/include/longlong.h +++ b/include/longlong.h @@ -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; \ |