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| author | Janne Grunau <janne-libav@jannau.net> | 2014-12-08 14:10:18 +0100 |
|---|---|---|
| committer | Janne Grunau <janne-libav@jannau.net> | 2014-12-09 22:00:08 +0100 |
| commit | 4c81613df499ba81d64ea102b38d0c6686cc304c (patch) | |
| tree | 45087ae33e233d5824156d836384c6da18f3d622 | |
| parent | 581c7f0e12b1fa39f73d683e54d6ecda0772c5a9 (diff) | |
| download | ffmpeg-4c81613df499ba81d64ea102b38d0c6686cc304c.tar.gz | |
arm: mlpdsp: handle pic offset calculation in a macro
Makes the code easier to read since it hides different offset
calculations for arm and thumb mode.
| -rw-r--r-- | libavcodec/arm/mlpdsp_armv5te.S | 36 |
1 files changed, 20 insertions, 16 deletions
diff --git a/libavcodec/arm/mlpdsp_armv5te.S b/libavcodec/arm/mlpdsp_armv5te.S index fecbe2900c..4272dae029 100644 --- a/libavcodec/arm/mlpdsp_armv5te.S +++ b/libavcodec/arm/mlpdsp_armv5te.S @@ -43,6 +43,14 @@ I .req ip PSAMP .req lr +.macro branch_pic_label first, remainder:vararg +A .word \first - 4 +T .hword (\first) / 2 +.ifnb \remainder + branch_pic_label \remainder +.endif +.endm + // Some macros that do loads/multiplies where the register number is determined // from an assembly-time expression. Boy is GNU assembler's syntax ugly... @@ -342,20 +350,16 @@ A ldr CO0, [pc, a3, lsl #2] // firorder is in range 0-(8-iir_taps) A add pc, pc, CO0 T tbh [pc, a3, lsl #1] 0: -A .word (70f - 0b) - 4, (71f - 0b) - 4, (72f - 0b) - 4, (73f - 0b) - 4, (74f - 0b) - 4 -T .hword (70f - 0b) / 2, (71f - 0b) / 2, (72f - 0b) / 2, (73f - 0b) / 2, (74f - 0b) / 2 + branch_pic_label (70f - 0b), (71f - 0b), (72f - 0b), (73f - 0b) + branch_pic_label (74f - 0b) .if \iir_taps <= 3 -A .word (75f - 0b) - 4 -T .hword (75f - 0b) / 2 + branch_pic_label (75f - 0b) .if \iir_taps <= 2 -A .word (76f - 0b) - 4 -T .hword (76f - 0b) / 2 + branch_pic_label (76f - 0b) .if \iir_taps <= 1 -A .word (77f - 0b) - 4 -T .hword (77f - 0b) / 2 + branch_pic_label (77f - 0b) .if \iir_taps == 0 -A .word (78f - 0b) - 4 -T .hword (78f - 0b) / 2 + branch_pic_label (78f - 0b) .endif .endif .endif @@ -384,8 +388,8 @@ A ldr CO0, [pc, a4, lsl #2] // irorder is in range 0-4 A add pc, pc, CO0 T tbh [pc, a4, lsl #1] 0: -A .word (60f - 0b) - 4, (61f - 0b) - 4, (62f - 0b) - 4, (63f - 0b) - 4, (64f - 0b) - 4 -T .hword (60f - 0b) / 2, (61f - 0b) / 2, (62f - 0b) / 2, (63f - 0b) / 2, (64f - 0b) / 2 + branch_pic_label (60f - 0b), (61f - 0b), (62f - 0b), (63f - 0b) + branch_pic_label (64f - 0b) 60: switch_on_fir_taps \mask_minus1, \shift_0, \shift_8, 0 61: switch_on_fir_taps \mask_minus1, \shift_0, \shift_8, 1 62: switch_on_fir_taps \mask_minus1, \shift_0, \shift_8, 2 @@ -610,10 +614,10 @@ A ldr v5, [pc, v5, lsl #2] A add pc, pc, v5 T tbh [pc, v5, lsl #1] 0: -A .word 0, 0, (12f - 0b) - 4, (13f - 0b) - 4, (14f - 0b) - 4, (15f - 0b) - 4, (16f - 0b) - 4, (17f - 0b) - 4, (18f - 0b) - 4, (19f - 0b) - 4, (20f - 0b) - 4, (21f - 0b) - 4, (22f - 0b) - 4, (23f - 0b) - 4, (24f - 0b) - 4, (25f - 0b) - 4 -T .hword 0, 0, (12f - 0b) / 2, (13f - 0b) / 2, (14f - 0b) / 2, (15f - 0b) / 2 -T .hword (16f - 0b) / 2, (17f - 0b) / 2, (18f - 0b) / 2, (19f - 0b) / 2 -T .hword (20f - 0b) / 2, (21f - 0b) / 2, (22f - 0b) / 2, (23f - 0b) / 2, (24f - 0b) / 2, (25f - 0b) / 2 + branch_pic_label 0, 0, (12f - 0b), (13f - 0b) + branch_pic_label (14f - 0b), (15f - 0b), (16f - 0b), (17f - 0b) + branch_pic_label (18f - 0b), (19f - 0b), (20f - 0b), (21f - 0b) + branch_pic_label (22f - 0b), (23f - 0b), (24f - 0b), (25f - 0b) 10: switch_on_au_size 0 11: switch_on_au_size 1 12: switch_on_au_size 2 |