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ARM: align stack in NEON h264 mc functions

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A certain rotten fruit operating system doesn't provide the 8-byte stack
alignment required by the standard ARM ABI, so align it manually.

Originally committed as revision 20208 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2009-10-11 16:16:08 +00:00
parent e276d9e82d
commit 0115b3eadb
1 changed files with 18 additions and 15 deletions
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33
libavcodec/arm/h264dsp_neon.S
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@ -1064,9 +1064,11 @@ put_h264_qpel8_mc01:
.endfunc .endfunc
function ff_put_h264_qpel8_mc11_neon, export=1 function ff_put_h264_qpel8_mc11_neon, export=1
push {r0, r1, r2, lr} push {r0, r1, r11, lr}
put_h264_qpel8_mc11: put_h264_qpel8_mc11:
lowpass_const r3 lowpass_const r3
mov r11, sp
bic sp, sp, #15
sub sp, sp, #64 sub sp, sp, #64
mov r0, sp mov r0, sp
sub r1, r1, #2 sub r1, r1, #2
@ -1074,15 +1076,15 @@ put_h264_qpel8_mc11:
mov ip, #8 mov ip, #8
vpush {d8-d15} vpush {d8-d15}
bl put_h264_qpel8_h_lowpass_neon bl put_h264_qpel8_h_lowpass_neon
ldrd r0, [sp, #128] ldrd r0, [r11]
mov r3, r2 mov r3, r2
add ip, sp, #64 add ip, sp, #64
sub r1, r1, r2, lsl #1 sub r1, r1, r2, lsl #1
mov r2, #8 mov r2, #8
bl put_h264_qpel8_v_lowpass_l2_neon bl put_h264_qpel8_v_lowpass_l2_neon
vpop {d8-d15} vpop {d8-d15}
add sp, sp, #76 add sp, r11, #8
pop {pc} pop {r11, pc}
.endfunc .endfunc
function ff_put_h264_qpel8_mc21_neon, export=1 function ff_put_h264_qpel8_mc21_neon, export=1
@ -1112,7 +1114,7 @@ put_h264_qpel8_mc21:
function ff_put_h264_qpel8_mc31_neon, export=1 function ff_put_h264_qpel8_mc31_neon, export=1
add r1, r1, #1 add r1, r1, #1
push {r0, r1, r2, lr} push {r0, r1, r11, lr}
sub r1, r1, #1 sub r1, r1, #1
b put_h264_qpel8_mc11 b put_h264_qpel8_mc11
.endfunc .endfunc
@ -1181,7 +1183,7 @@ function ff_put_h264_qpel8_mc03_neon, export=1
.endfunc .endfunc
function ff_put_h264_qpel8_mc13_neon, export=1 function ff_put_h264_qpel8_mc13_neon, export=1
push {r0, r1, r2, lr} push {r0, r1, r11, lr}
add r1, r1, r2 add r1, r1, r2
b put_h264_qpel8_mc11 b put_h264_qpel8_mc11
.endfunc .endfunc
@ -1194,7 +1196,7 @@ function ff_put_h264_qpel8_mc23_neon, export=1
function ff_put_h264_qpel8_mc33_neon, export=1 function ff_put_h264_qpel8_mc33_neon, export=1
add r1, r1, #1 add r1, r1, #1
push {r0, r1, r2, lr} push {r0, r1, r11, lr}
add r1, r1, r2 add r1, r1, r2
sub r1, r1, #1 sub r1, r1, #1
b put_h264_qpel8_mc11 b put_h264_qpel8_mc11
@ -1235,25 +1237,26 @@ put_h264_qpel16_mc01:
.endfunc .endfunc
function ff_put_h264_qpel16_mc11_neon, export=1 function ff_put_h264_qpel16_mc11_neon, export=1
push {r0, r1, r4, lr} push {r0, r1, r4, r11, lr}
put_h264_qpel16_mc11: put_h264_qpel16_mc11:
lowpass_const r3 lowpass_const r3
mov r11, sp
bic sp, sp, #15
sub sp, sp, #256 sub sp, sp, #256
mov r0, sp mov r0, sp
sub r1, r1, #2 sub r1, r1, #2
mov r3, #16 mov r3, #16
vpush {d8-d15} vpush {d8-d15}
bl put_h264_qpel16_h_lowpass_neon bl put_h264_qpel16_h_lowpass_neon
add r0, sp, #256 ldrd r0, [r11]
ldrd r0, [r0, #64]
mov r3, r2 mov r3, r2
add ip, sp, #64 add ip, sp, #64
sub r1, r1, r2, lsl #1 sub r1, r1, r2, lsl #1
mov r2, #16 mov r2, #16
bl put_h264_qpel16_v_lowpass_l2_neon bl put_h264_qpel16_v_lowpass_l2_neon
vpop {d8-d15} vpop {d8-d15}
add sp, sp, #(256+8) add sp, r11, #8
pop {r4, pc} pop {r4, r11, pc}
.endfunc .endfunc
function ff_put_h264_qpel16_mc21_neon, export=1 function ff_put_h264_qpel16_mc21_neon, export=1
@ -1280,7 +1283,7 @@ put_h264_qpel16_mc21:
function ff_put_h264_qpel16_mc31_neon, export=1 function ff_put_h264_qpel16_mc31_neon, export=1
add r1, r1, #1 add r1, r1, #1
push {r0, r1, r4, lr} push {r0, r1, r4, r11, lr}
sub r1, r1, #1 sub r1, r1, #1
b put_h264_qpel16_mc11 b put_h264_qpel16_mc11
.endfunc .endfunc
@ -1349,7 +1352,7 @@ function ff_put_h264_qpel16_mc03_neon, export=1
.endfunc .endfunc
function ff_put_h264_qpel16_mc13_neon, export=1 function ff_put_h264_qpel16_mc13_neon, export=1
push {r0, r1, r4, lr} push {r0, r1, r4, r11, lr}
add r1, r1, r2 add r1, r1, r2
b put_h264_qpel16_mc11 b put_h264_qpel16_mc11
.endfunc .endfunc
@ -1362,7 +1365,7 @@ function ff_put_h264_qpel16_mc23_neon, export=1
function ff_put_h264_qpel16_mc33_neon, export=1 function ff_put_h264_qpel16_mc33_neon, export=1
add r1, r1, #1 add r1, r1, #1
push {r0, r1, r4, lr} push {r0, r1, r4, r11, lr}
add r1, r1, r2 add r1, r1, r2
sub r1, r1, #1 sub r1, r1, #1
b put_h264_qpel16_mc11 b put_h264_qpel16_mc11