[x264-devel] [PATCH 04/14] arm: Use const macros in arm assembly where applicable
Martin Storsjö
martin at martin.st
Fri Mar 24 10:33:36 CET 2017
This unifies the source code style, and allows building the code
with clang without gas-preprocessor.
---
common/arm/dct-a.S | 6 ++----
common/arm/mc-a.S | 5 ++---
common/arm/pixel-a.S | 11 ++++++-----
common/arm/predict-a.S | 7 +++----
common/arm/quant-a.S | 11 ++++++-----
tools/checkasm-arm.S | 8 ++++----
6 files changed, 23 insertions(+), 25 deletions(-)
diff --git a/common/arm/dct-a.S b/common/arm/dct-a.S
index 13d5061..48a3498 100644
--- a/common/arm/dct-a.S
+++ b/common/arm/dct-a.S
@@ -26,14 +26,12 @@
#include "asm.S"
-.section .rodata
-.align 4
-
-scan4x4_frame:
+const scan4x4_frame, align=4
.byte 0,1, 8,9, 2,3, 4,5
.byte 2,3, 8,9, 16,17, 10,11
.byte 12,13, 6,7, 14,15, 20,21
.byte 10,11, 12,13, 6,7, 14,15
+endconst
.text
diff --git a/common/arm/mc-a.S b/common/arm/mc-a.S
index 1d179e1..2d6dc2e 100644
--- a/common/arm/mc-a.S
+++ b/common/arm/mc-a.S
@@ -28,10 +28,9 @@
#include "asm.S"
-.section .rodata
-.align 4
-pw_0to15:
+const pw_0to15, align=4
.short 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
+endconst
.text
diff --git a/common/arm/pixel-a.S b/common/arm/pixel-a.S
index a1a0673..f562009 100644
--- a/common/arm/pixel-a.S
+++ b/common/arm/pixel-a.S
@@ -26,9 +26,7 @@
#include "asm.S"
-.section .rodata
-.align 4
-
+const mask_array, align=4
.rept 16
.byte 0xff
.endr
@@ -36,11 +34,14 @@ mask_ff:
.rept 16
.byte 0
.endr
+endconst
-mask_ac4:
+const mask_ac4, align=4
.short 0, -1, -1, -1, 0, -1, -1, -1
-mask_ac8:
+endconst
+const mask_ac8, align=4
.short 0, -1, -1, -1, -1, -1, -1, -1
+endconst
.text
diff --git a/common/arm/predict-a.S b/common/arm/predict-a.S
index a7d9f10..06366cc 100644
--- a/common/arm/predict-a.S
+++ b/common/arm/predict-a.S
@@ -27,10 +27,9 @@
#include "asm.S"
-.section .rodata
-.align 4
-
-p16weight: .short 1,2,3,4,5,6,7,8
+const p16weight, align=4
+.short 1,2,3,4,5,6,7,8
+endconst
.text
diff --git a/common/arm/quant-a.S b/common/arm/quant-a.S
index eb3fd36..a7f6cd2 100644
--- a/common/arm/quant-a.S
+++ b/common/arm/quant-a.S
@@ -26,19 +26,20 @@
#include "asm.S"
-.section .rodata
-.align 4
-pmovmskb_byte:
+const pmovmskb_byte, align=4
.byte 1,2,4,8,16,32,64,128
.byte 1,2,4,8,16,32,64,128
+endconst
-mask_2bit:
+const mask_2bit, align=4
.byte 3,12,48,192,3,12,48,192
.byte 3,12,48,192,3,12,48,192
+endconst
-mask_1bit:
+const mask_1bit, align=4
.byte 128,64,32,16,8,4,2,1
.byte 128,64,32,16,8,4,2,1
+endconst
.text
diff --git a/tools/checkasm-arm.S b/tools/checkasm-arm.S
index 433ac53..4bd0ca0 100644
--- a/tools/checkasm-arm.S
+++ b/tools/checkasm-arm.S
@@ -25,9 +25,7 @@
#include "../common/arm/asm.S"
-.section .rodata
-.align 4
-register_init:
+const register_init, align=4
.quad 0x21f86d66c8ca00ce
.quad 0x75b6ba21077c48ad
.quad 0xed56bb2dcb3c7736
@@ -36,9 +34,11 @@ register_init:
.quad 0xdf9a54b303f1d3a3
.quad 0x4a75479abd64e097
.quad 0x249214109d5d1c88
+endconst
-error_message:
+const error_message
.asciz "failed to preserve register"
+endconst
.text
--
2.7.4
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