>From 9b3985045da1161a934cba48749fe1759e62dae6 Mon Sep 17 00:00:00 2001 From: Andre Naujoks <nautsch2@xxxxxxxxxxxxxx> Date: Wed, 27 Jul 2011 11:29:43 +0200 Subject: [PATCH 2/2] Ported ppc ashrdi3 from linux kernel --- 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 24f901f..bd06ff2 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 -- 1.7.5.3 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox