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author | Christophe Gisquet <christophe.gisquet@gmail.com> | 2014-08-06 07:43:40 +0000 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2014-08-06 19:24:49 +0200 |
commit | 71db2d08b1f1eeda3b47564662365a7886ca5d3e (patch) | |
tree | 7cae5424d2e38b06d06745ffa1e39bd924ac4ae4 /libavcodec/x86 | |
parent | 4e128ab0b1b32d2e0a1a8350e224b8d6cc534f93 (diff) | |
download | ffmpeg-71db2d08b1f1eeda3b47564662365a7886ca5d3e.tar.gz |
x86: better share ff_pw_2
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/x86')
-rw-r--r-- | libavcodec/x86/constants.c | 2 | ||||
-rw-r--r-- | libavcodec/x86/constants.h | 3 | ||||
-rw-r--r-- | libavcodec/x86/dwt_yasm.asm | 3 | ||||
-rw-r--r-- | libavcodec/x86/inline_asm.h | 2 |
4 files changed, 4 insertions, 6 deletions
diff --git a/libavcodec/x86/constants.c b/libavcodec/x86/constants.c index ee3f1a5e2a..bfb0ff3036 100644 --- a/libavcodec/x86/constants.c +++ b/libavcodec/x86/constants.c @@ -22,8 +22,6 @@ #include "libavutil/x86/asm.h" // for xmm_reg #include "constants.h" -DECLARE_ALIGNED(8, const uint64_t, ff_wtwo) = 0x0002000200020002ULL; - DECLARE_ALIGNED(16, const xmm_reg, ff_pw_1) = { 0x0001000100010001ULL, 0x0001000100010001ULL }; DECLARE_ALIGNED(16, const xmm_reg, ff_pw_2) = { 0x0002000200020002ULL, 0x0002000200020002ULL }; DECLARE_ALIGNED(16, const xmm_reg, ff_pw_3) = { 0x0003000300030003ULL, 0x0003000300030003ULL }; diff --git a/libavcodec/x86/constants.h b/libavcodec/x86/constants.h index 4520515c9c..c85a54e773 100644 --- a/libavcodec/x86/constants.h +++ b/libavcodec/x86/constants.h @@ -25,8 +25,7 @@ #include "libavutil/x86/asm.h" -extern const uint64_t ff_wtwo; - +extern const xmm_reg ff_pw_2; extern const xmm_reg ff_pw_3; extern const xmm_reg ff_pw_4; extern const xmm_reg ff_pw_5; diff --git a/libavcodec/x86/dwt_yasm.asm b/libavcodec/x86/dwt_yasm.asm index 5253abc6c8..1d8e793e70 100644 --- a/libavcodec/x86/dwt_yasm.asm +++ b/libavcodec/x86/dwt_yasm.asm @@ -23,11 +23,12 @@ SECTION_RODATA pw_1: times 8 dw 1 -pw_2: times 8 dw 2 pw_8: times 8 dw 8 pw_16: times 8 dw 16 pw_1991: times 4 dw 9,-1 +cextern pw_2 + section .text ; %1 -= (%2 + %3 + 2)>>2 %4 is pw_2 diff --git a/libavcodec/x86/inline_asm.h b/libavcodec/x86/inline_asm.h index c2f1bf0f9c..3e65a76973 100644 --- a/libavcodec/x86/inline_asm.h +++ b/libavcodec/x86/inline_asm.h @@ -37,7 +37,7 @@ "paddb %%"#regd", %%"#regd" \n\t" ::) #ifndef PIC -#define MOVQ_WTWO(regd) __asm__ volatile ("movq %0, %%"#regd" \n\t" :: "m"(ff_wtwo)) +#define MOVQ_WTWO(regd) __asm__ volatile ("movq %0, %%"#regd" \n\t" :: "m"(ff_pw_2)) #else // for shared library it's better to use this way for accessing constants // pcmpeqd -> -1 |