From a334319f6530564d22e775935d9c91663623a1b4 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 22 Dec 2004 20:10:10 +0000 Subject: (CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4. --- sysdeps/sparc/sparc32/memcpy.S | 40 +++++++++++++++++++--------------------- 1 file changed, 19 insertions(+), 21 deletions(-) (limited to 'sysdeps/sparc/sparc32/memcpy.S') diff --git a/sysdeps/sparc/sparc32/memcpy.S b/sysdeps/sparc/sparc32/memcpy.S index 6bd55c06a1..35bcef4963 100644 --- a/sysdeps/sparc/sparc32/memcpy.S +++ b/sysdeps/sparc/sparc32/memcpy.S @@ -146,12 +146,28 @@ .text .align 4 +70: andcc %o1, 1, %g0 + be 4f + andcc %o1, 2, %g0 + + ldub [%o1 - 1], %g2 + sub %o1, 1, %o1 + stb %g2, [%o0 - 1] + sub %o2, 1, %o2 + be 3f + sub %o0, 1, %o0 +4: lduh [%o1 - 2], %g2 + sub %o1, 2, %o1 + sth %g2, [%o0 - 2] + sub %o2, 2, %o2 + b 3f + sub %o0, 2, %o0 + ENTRY(bcopy) mov %o0, %o3 mov %o1, %o0 mov %o3, %o1 END(bcopy) - ENTRY(memmove) cmp %o0, %o1 st %o0, [%sp + 64] @@ -169,26 +185,8 @@ ENTRY(memmove) cmp %o2, 15 bleu 91f andcc %o1, 3, %g0 - be 3f - nop - - andcc %o1, 1, %g0 - be 4f - andcc %o1, 2, %g0 - - ldub [%o1 - 1], %g2 - sub %o1, 1, %o1 - stb %g2, [%o0 - 1] - sub %o2, 1, %o2 - be 3f - sub %o0, 1, %o0 -4: lduh [%o1 - 2], %g2 - sub %o1, 2, %o1 - sth %g2, [%o0 - 2] - sub %o2, 2, %o2 - sub %o0, 2, %o0 - -3: andcc %o1, 4, %g0 + bne 70b +3: andcc %o1, 4, %g0 be 2f mov %o2, %g1 -- cgit 1.4.1