Attachment 705066 Details for Bug 917735 – Patch to fix aarch64 bits of longlong.h

[patch] Patch to fix aarch64 bits of longlong.h

coreutils-aarch64-longlong.patch (text/plain), 1.57 KB, created by Mark Salter on 2013-03-04 16:38:37 UTC

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Creator: Mark Salter

Created: 2013-03-04 16:38:37 UTC

Size: 1.57 KB

patch

obsolete

>diff --git a/src/longlong.h b/src/longlong.h
>index e880587..023f47e 100644
>--- a/src/longlong.h
>+++ b/src/longlong.h
>@@ -530,23 +530,16 @@ extern UWtype __MPN(udiv_qrnnd) (UWtype *, UWtype, UWtype, UWtype);
> #endif /* __arm__ */
> 
> #if defined (__aarch64__) && W_TYPE_SIZE == 64
>+/* FIXME: Extend the immediate range for the low word by using both
>+   ADDS and SUBS, since they set carry in the same way.  */
> #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
>-  __asm__ ("adds\t%1, %4, %5\n\tadc\t%0, %2, %3"			\
>+  __asm__ ("adds\t%1, %x4, %5\n\tadc\t%0, %x2, %x3"                     \
> 	   : "=r" (sh), "=&r" (sl)					\
>-	   : "r" (ah), "rZ" (bh), "%r" (al), "rI" (bl) __CLOBBER_CC)
>+           : "rZ" (ah), "rZ" (bh), "%r" (al), "rI" (bl) __CLOBBER_CC)
> #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
>-  do {									\
>-    if (__builtin_constant_p (bl))					\
>-      {									\
>-	__asm__ ("subs\t%1, %4, %5\n\tsbc\t%0, %2, %3"			\
>-		 : "=r" (sh), "=&r" (sl)				\
>-		 : "r" (ah), "r" (bh), "r" (al), "rI" (bl) __CLOBBER_CC); \
>-      }									\
>-    else /* only bh might be a constant */				\
>-      __asm__ ("subs\t%1, %4, %5\n\tsbc\t%0, %2, %3"			\
>-	       : "=r" (sh), "=&r" (sl)					\
>-	       : "r" (ah), "rZ" (bh), "r" (al), "rI" (bl) __CLOBBER_CC);\
>-    } while (0)
>+  __asm__ ("subs\t%1, %x4, %5\n\tsbc\t%0, %x2, %x3"                     \
>+           : "=r,r" (sh), "=&r,&r" (sl)                                 \
>+           : "rZ,rZ" (ah), "rZ,rZ" (bh), "r,Z" (al), "rI,r" (bl) __CLOBBER_CC)
> #define umul_ppmm(ph, pl, m0, m1) \
>   do {									\
>     UDItype __m0 = (m0), __m1 = (m1);					\

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Attachments on bug 917735: 705066