From cc53690e05f47b4c25e0a528de50e024fc0164ad Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Fri, 16 Apr 2010 11:30:16 +0200 Subject: [PATCH] microblaze: Fix irq.S code It is ancient code. There is possible to save several instructions just if we use offset instead of addik Signed-off-by: Michal Simek --- arch/microblaze/cpu/irq.S | 182 +++++++++++++------------------------- 1 file changed, 62 insertions(+), 120 deletions(-) diff --git a/arch/microblaze/cpu/irq.S b/arch/microblaze/cpu/irq.S index e1fc19046c..47bba36f21 100644 --- a/arch/microblaze/cpu/irq.S +++ b/arch/microblaze/cpu/irq.S @@ -27,129 +27,71 @@ .text .global _interrupt_handler _interrupt_handler: - addi r1, r1, -4 - swi r2, r1, 0 - addi r1, r1, -4 - swi r3, r1, 0 - addi r1, r1, -4 - swi r4, r1, 0 - addi r1, r1, -4 - swi r5, r1, 0 - addi r1, r1, -4 - swi r6, r1, 0 - addi r1, r1, -4 - swi r7, r1, 0 - addi r1, r1, -4 - swi r8, r1, 0 - addi r1, r1, -4 - swi r9, r1, 0 - addi r1, r1, -4 - swi r10, r1, 0 - addi r1, r1, -4 - swi r11, r1, 0 - addi r1, r1, -4 - swi r12, r1, 0 - addi r1, r1, -4 - swi r13, r1, 0 - addi r1, r1, -4 - swi r14, r1, 0 - addi r1, r1, -4 - swi r15, r1, 0 - addi r1, r1, -4 - swi r16, r1, 0 - addi r1, r1, -4 - swi r17, r1, 0 - addi r1, r1, -4 - swi r18, r1, 0 - addi r1, r1, -4 - swi r19, r1, 0 - addi r1, r1, -4 - swi r20, r1, 0 - addi r1, r1, -4 - swi r21, r1, 0 - addi r1, r1, -4 - swi r22, r1, 0 - addi r1, r1, -4 - swi r23, r1, 0 - addi r1, r1, -4 - swi r24, r1, 0 - addi r1, r1, -4 - swi r25, r1, 0 - addi r1, r1, -4 - swi r26, r1, 0 - addi r1, r1, -4 - swi r27, r1, 0 - addi r1, r1, -4 - swi r28, r1, 0 - addi r1, r1, -4 - swi r29, r1, 0 - addi r1, r1, -4 - swi r30, r1, 0 - addi r1, r1, -4 - swi r31, r1, 0 + swi r2, r1, -4 + swi r3, r1, -8 + swi r4, r1, -12 + swi r5, r1, -16 + swi r6, r1, -20 + swi r7, r1, -24 + swi r8, r1, -28 + swi r9, r1, -32 + swi r10, r1, -36 + swi r11, r1, -40 + swi r12, r1, -44 + swi r13, r1, -48 + swi r14, r1, -52 + swi r15, r1, -56 + swi r16, r1, -60 + swi r17, r1, -64 + swi r18, r1, -68 + swi r19, r1, -72 + swi r20, r1, -76 + swi r21, r1, -80 + swi r22, r1, -84 + swi r23, r1, -88 + swi r24, r1, -92 + swi r25, r1, -96 + swi r26, r1, -100 + swi r27, r1, -104 + swi r28, r1, -108 + swi r29, r1, -112 + swi r30, r1, -116 + swi r31, r1, -120 + addik r1, r1, -124 brlid r15, interrupt_handler nop nop - lwi r31, r1, 0 - addi r1, r1, 4 - lwi r30, r1, 0 - addi r1, r1, 4 - lwi r29, r1, 0 - addi r1, r1, 4 - lwi r28, r1, 0 - addi r1, r1, 4 - lwi r27, r1, 0 - addi r1, r1, 4 - lwi r26, r1, 0 - addi r1, r1, 4 - lwi r25, r1, 0 - addi r1, r1, 4 - lwi r24, r1, 0 - addi r1, r1, 4 - lwi r23, r1, 0 - addi r1, r1, 4 - lwi r22, r1, 0 - addi r1, r1, 4 - lwi r21, r1, 0 - addi r1, r1, 4 - lwi r20, r1, 0 - addi r1, r1, 4 - lwi r19, r1, 0 - addi r1, r1, 4 - lwi r18, r1, 0 - addi r1, r1, 4 - lwi r17, r1, 0 - addi r1, r1, 4 - lwi r16, r1, 0 - addi r1, r1, 4 - lwi r15, r1, 0 - addi r1, r1, 4 - lwi r14, r1, 0 - addi r1, r1, 4 - lwi r13, r1, 0 - addi r1, r1, 4 - lwi r12, r1, 0 - addi r1, r1, 4 - lwi r11, r1, 0 - addi r1, r1, 4 - lwi r10, r1, 0 - addi r1, r1, 4 - lwi r9, r1, 0 - addi r1, r1, 4 - lwi r8, r1, 0 - addi r1, r1, 4 - lwi r7, r1, 0 - addi r1, r1, 4 - lwi r6, r1, 0 - addi r1, r1, 4 - lwi r5, r1, 0 - addi r1, r1, 4 - lwi r4, r1, 0 - addi r1, r1, 4 - lwi r3, r1, 0 - addi r1, r1, 4 - lwi r2, r1, 0 - addi r1, r1, 4 + addik r1, r1, 124 + lwi r31, r1, -120 + lwi r30, r1, -116 + lwi r29, r1, -112 + lwi r28, r1, -108 + lwi r27, r1, -104 + lwi r26, r1, -100 + lwi r25, r1, -96 + lwi r24, r1, -92 + lwi r23, r1, -88 + lwi r22, r1, -84 + lwi r21, r1, -80 + lwi r20, r1, -76 + lwi r19, r1, -72 + lwi r18, r1, -68 + lwi r17, r1, -64 + lwi r16, r1, -60 + lwi r15, r1, -56 + lwi r14, r1, -52 + lwi r13, r1, -48 + lwi r12, r1, -44 + lwi r11, r1, -40 + lwi r10, r1, -36 + lwi r9, r1, -32 + lwi r8, r1, -28 + lwi r7, r1, -24 + lwi r6, r1, -20 + lwi r5, r1, -16 + lwi r4, r1, -12 + lwi r3, r1, -8 + lwi r2, r1, -4 /* enable_interrupt */ #ifdef XILINX_USE_MSR_INSTR -- 2.39.5