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| author | Andre Naujoks <nautsch2@googlemail.com> | 2011-07-27 11:51:57 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-07-28 13:51:10 +0200 |
| commit | 4cc463f9425585e7ad1c17b26841b762ae2ee4ca (patch) | |
| tree | 9e3420d0374327674fee4e581a2aa4ea41735153 /arch/ppc/lib | |
| parent | 0947b2edd574209a73488c259411bf78505c6984 (diff) | |
| download | barebox-4cc463f9425585e7ad1c17b26841b762ae2ee4ca.tar.gz barebox-4cc463f9425585e7ad1c17b26841b762ae2ee4ca.tar.xz | |
barebox compilation with gcc 4.5.2 and ptxdist
From 9b3985045da1161a934cba48749fe1759e62dae6 Mon Sep 17 00:00:00 2001
From: Andre Naujoks <nautsch2@googlemail.com>
Date: Wed, 27 Jul 2011 11:29:43 +0200
Subject: [PATCH 2/2] Ported ppc ashrdi3 from linux kernel
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/ppc/lib')
| -rw-r--r-- | arch/ppc/lib/misc.S | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/ppc/lib/misc.S b/arch/ppc/lib/misc.S index 24f901fb98..bd06ff2062 100644 --- a/arch/ppc/lib/misc.S +++ b/arch/ppc/lib/misc.S @@ -2,6 +2,20 @@ #include <asm/ppc_asm.tmpl> #include <asm-generic/errno.h> + .globl __ashrdi3 +__ashrdi3: + subfic r6,r5,32 + srw r4,r4,r5 # LSW = count > 31 ? 0 : LSW >> count + addi r7,r5,32 # could be xori, or addi with -32 + slw r6,r3,r6 # t1 = count > 31 ? 0 : MSW << (32-count) + rlwinm r8,r7,0,32 # t3 = (count < 32) ? 32 : 0 + sraw r7,r3,r7 # t2 = MSW >> (count-32) + or r4,r4,r6 # LSW |= t1 + slw r7,r7,r8 # t2 = (count < 32) ? 0 : t2 + sraw r3,r3,r5 # MSW = MSW >> count + or r4,r4,r7 # LSW |= t2 + blr + .globl __ashldi3 __ashldi3: subfic r6,r5,32 |