Use r12 to save 1 register.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25597 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 10 insertions, 10 deletions

diff --git a/apps/dsp_arm.S b/apps/dsp_arm.S
index 75e28e21e9..b90e632782 100644
--- a/apps/dsp_arm.S
+++ b/apps/dsp_arm.S
@@ -393,30 +393,30 @@ dsp_upsample:
     .type   dsp_apply_gain, %function
 dsp_apply_gain:
     @ input: r0 = count, r1 = data, r2 = buf[]
-    stmfd   sp!, {r4-r8, lr}
+    stmfd   sp!, {r4-r7, lr}
 
     ldr     r3, [r1,  #4]           @ r3 = data->num_channels
     ldr     r4, [r1, #32]           @ r5 = data->gain
 
 .dag_outerloop:
     ldr     r1, [r2], #4            @ r1 = buf[0] and increment index of buf[]
-    mov     lr, r0                  @ lr = r0 = count
+    mov     r12, r0                 @ r12 = r0 = count
 
 .dag_innerloop:
     ldmia   r1, {r5, r6}            @ load r5, r6 from r1
-    smull   r7, r8, r5, r4          @ r5 = FRACMUL_SHL(r5, r4, 8)
-    mov     r8, r8, asl #9
-    orr     r5, r8, r7, lsr #23
-    smull   r7, r8, r6, r4          @ r6 = FRACMUL_SHL(r6, r4, 8)
-    mov     r8, r8, asl #9
-    orr     r6, r8, r7, lsr #23
+    smull   r7, lr, r5, r4          @ r5 = FRACMUL_SHL(r5, r4, 8)
+    mov     lr, lr, asl #9
+    orr     r5, lr, r7, lsr #23
+    smull   r7, lr, r6, r4          @ r6 = FRACMUL_SHL(r6, r4, 8)
+    mov     lr, lr, asl #9
+    orr     r6, lr, r7, lsr #23
     stmia   r1!, {r5, r6}           @ save r5, r6 to r1 and increment r1
-    subs    lr, lr, #2
+    subs    r12, r12, #2
     bgt     .dag_innerloop          @ end of inner loop
 
     subs    r3, r3, #1
     bgt     .dag_outerloop          @ end of outer loop
 
-    ldmfd   sp!, {r4-r8, pc}
+    ldmfd   sp!, {r4-r7, pc}
 .dagend:
     .size   dsp_apply_gain,.dagend-dsp_apply_gain