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GNU C Library master sources branch, master, updated. glibc-2.15-1133-g402fe93
- From: davem at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 1 Jun 2012 20:38:51 -0000
- Subject: GNU C Library master sources branch, master, updated. glibc-2.15-1133-g402fe93
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http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=402fe938f60c1f10700c8d0b673bf4a6dc2d1d40
commit 402fe938f60c1f10700c8d0b673bf4a6dc2d1d40
Author: David S. Miller <davem@davemloft.net>
Date: Fri Jun 1 13:32:04 2012 -0700
Update longlong.h from GCC to get some sparc improvements.
* stdlib/longlong.h: Updated from GCC.
diff --git a/ChangeLog b/ChangeLog
index 470aa85..8895cc1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2012-06-01 David S. Miller <davem@davemloft.net>
+
+ * stdlib/longlong.h: Updated from GCC.
+
2012-06-01 H.J. Lu <hongjiu.lu@intel.com>
[BZ #14117]
diff --git a/stdlib/longlong.h b/stdlib/longlong.h
index 4fa9d46..ad42907 100644
--- a/stdlib/longlong.h
+++ b/stdlib/longlong.h
@@ -1127,6 +1127,29 @@ UDItype __umulsidi3 (USItype, USItype);
"rJ" ((USItype) (al)), \
"rI" ((USItype) (bl)) \
__CLOBBER_CC)
+#if defined (__sparc_v9__)
+#define umul_ppmm(w1, w0, u, v) \
+ do { \
+ register USItype __g1 asm ("g1"); \
+ __asm__ ("umul\t%2,%3,%1\n\t" \
+ "srlx\t%1, 32, %0" \
+ : "=r" ((USItype) (w1)), \
+ "=r" (__g1) \
+ : "r" ((USItype) (u)), \
+ "r" ((USItype) (v))); \
+ (w0) = __g1; \
+ } while (0)
+#define udiv_qrnnd(__q, __r, __n1, __n0, __d) \
+ __asm__ ("mov\t%2,%%y\n\t" \
+ "udiv\t%3,%4,%0\n\t" \
+ "umul\t%0,%4,%1\n\t" \
+ "sub\t%3,%1,%1" \
+ : "=&r" ((USItype) (__q)), \
+ "=&r" ((USItype) (__r)) \
+ : "r" ((USItype) (__n1)), \
+ "r" ((USItype) (__n0)), \
+ "r" ((USItype) (__d)))
+#else
#if defined (__sparc_v8__)
#define umul_ppmm(w1, w0, u, v) \
__asm__ ("umul %2,%3,%1;rd %%y,%0" \
@@ -1292,37 +1315,44 @@ UDItype __umulsidi3 (USItype, USItype);
#define UDIV_TIME (3+7*32) /* 7 instructions/iteration. 32 iterations. */
#endif /* __sparclite__ */
#endif /* __sparc_v8__ */
+#endif /* __sparc_v9__ */
#endif /* sparc32 */
#if ((defined (__sparc__) && defined (__arch64__)) || defined (__sparcv9)) \
&& W_TYPE_SIZE == 64
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
- __asm__ ("addcc %r4,%5,%1\n\t" \
- "add %r2,%3,%0\n\t" \
- "bcs,a,pn %%xcc, 1f\n\t" \
- "add %0, 1, %0\n" \
- "1:" \
- : "=r" ((UDItype)(sh)), \
- "=&r" ((UDItype)(sl)) \
- : "%rJ" ((UDItype)(ah)), \
- "rI" ((UDItype)(bh)), \
- "%rJ" ((UDItype)(al)), \
- "rI" ((UDItype)(bl)) \
- __CLOBBER_CC)
+ do { \
+ UDItype __carry = 0; \
+ __asm__ ("addcc\t%r5,%6,%1\n\t" \
+ "add\t%r3,%4,%0\n\t" \
+ "movcs\t%%xcc, 1, %2\n\t" \
+ "add\t%0, %2, %0" \
+ : "=r" ((UDItype)(sh)), \
+ "=&r" ((UDItype)(sl)), \
+ "+r" (__carry) \
+ : "%rJ" ((UDItype)(ah)), \
+ "rI" ((UDItype)(bh)), \
+ "%rJ" ((UDItype)(al)), \
+ "rI" ((UDItype)(bl)) \
+ __CLOBBER_CC); \
+ } while (0)
-#define sub_ddmmss(sh, sl, ah, al, bh, bl) \
- __asm__ ("subcc %r4,%5,%1\n\t" \
- "sub %r2,%3,%0\n\t" \
- "bcs,a,pn %%xcc, 1f\n\t" \
- "sub %0, 1, %0\n\t" \
- "1:" \
- : "=r" ((UDItype)(sh)), \
- "=&r" ((UDItype)(sl)) \
- : "rJ" ((UDItype)(ah)), \
- "rI" ((UDItype)(bh)), \
- "rJ" ((UDItype)(al)), \
- "rI" ((UDItype)(bl)) \
- __CLOBBER_CC)
+#define sub_ddmmss(sh, sl, ah, al, bh, bl) \
+ do { \
+ UDItype __carry = 0; \
+ __asm__ ("subcc\t%r5,%6,%1\n\t" \
+ "sub\t%r3,%4,%0\n\t" \
+ "movcs\t%%xcc, 1, %2\n\t" \
+ "add\t%0, %2, %0" \
+ : "=r" ((UDItype)(sh)), \
+ "=&r" ((UDItype)(sl)), \
+ "+r" (__carry) \
+ : "%rJ" ((UDItype)(ah)), \
+ "rI" ((UDItype)(bh)), \
+ "%rJ" ((UDItype)(al)), \
+ "rI" ((UDItype)(bl)) \
+ __CLOBBER_CC); \
+ } while (0)
#define umul_ppmm(wh, wl, u, v) \
do { \
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 4 ++
stdlib/longlong.h | 80 ++++++++++++++++++++++++++++++++++++----------------
2 files changed, 59 insertions(+), 25 deletions(-)
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