build: avoid build failure on some sparc systems

* src/longlong.h: Restrict some sparc assembly variants
to sparc V9. This was seen to be an issue with newer
sparc systems with default gcc CPU options.

diff --git a/src/longlong.h b/src/longlong.h
index 510f40e..173afb9 100644 (file)
--- a/src/longlong.h
+++ b/src/longlong.h
@@ -1745,7 +1745,7 @@ extern UWtype __MPN(udiv_qrnnd) (UWtype *, UWtype, UWtype, UWtype);
 #endif /* udiv_qrnnd */
 #endif /* __sparc__ */
 
-#if defined (__sparc__) && W_TYPE_SIZE == 64
+#if (defined (__sparc_v9) || defined (__sparc_v9__)) && W_TYPE_SIZE == 64
 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
   __asm__ (                                                            \
        "addcc  %r4,%5,%1\n"                                            \