From: Michal Simek <mon...@monstr.eu>
It is ancient code. There is possible to save several instructions
just if we use offset instead of addik
Signed-off-by: Michal Simek <mon...@monstr.eu>
---
arch/microblaze/cpu/irq.S | 182 +++++++++++++++-----------------------------
1 files changed, 62 insertions(+), 120 deletions(-)
diff --git a/arch/microblaze/cpu/irq.S b/arch/microblaze/cpu/irq.S
index e1fc190..47bba36 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
--
1.5.5.1
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