diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2012-04-21 02:09:27 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-04-21 02:09:27 +0200 |
| commit | 98495152145ce29cbb5147a50648df4e3ac1b468 (patch) | |
| tree | 63a5f42ac6894a5b06cd1b6f9dd7d106d20c430b /libavcodec/x86/h264_i386.h | |
| parent | e9b1d5ae5e41b854a9d8d212e9e197a193ff1fa9 (diff) | |
| download | ffmpeg-98495152145ce29cbb5147a50648df4e3ac1b468.tar.gz | |
Revert "h264: assembly version of get_cabac for x86_64 with PIC (v4)"
This broke compilation on darwin, revert until a better solution is found.
This reverts commit a812b599b504b39a8021827da89d5e23fb361cc9.
Diffstat (limited to 'libavcodec/x86/h264_i386.h')
| -rw-r--r-- | libavcodec/x86/h264_i386.h | 58 |
1 files changed, 16 insertions, 42 deletions
diff --git a/libavcodec/x86/h264_i386.h b/libavcodec/x86/h264_i386.h index 20ffa25f08..6aa2d073e3 100644 --- a/libavcodec/x86/h264_i386.h +++ b/libavcodec/x86/h264_i386.h @@ -36,7 +36,7 @@ //FIXME use some macros to avoid duplicating get_cabac (cannot be done yet //as that would make optimization work hard) -#if HAVE_7REGS +#if HAVE_7REGS && !defined(BROKEN_RELOCATIONS) static int decode_significance_x86(CABACContext *c, int max_coeff, uint8_t *significant_coeff_ctx_base, int *index, x86_reg last_off){ @@ -45,31 +45,20 @@ static int decode_significance_x86(CABACContext *c, int max_coeff, int minusindex= 4-(intptr_t)index; int bit; x86_reg coeff_count; - -#ifdef BROKEN_RELOCATIONS - int *rip; - - __asm__ volatile( - "1: \n\t" - "lea 1b(%%rip), %0 \n\t" - : "=&r"(rip) - ); -#endif - __asm__ volatile( "3: \n\t" - BRANCHLESS_GET_CABAC("%4", "%q4", "(%1)", "%3", "%w3", - "%5", "%q5", "%k0", "%b0", - "%a11(%6)", "%a12(%6)", "%13") + BRANCHLESS_GET_CABAC("%4", "(%1)", "%3", "%w3", + "%5", "%k0", "%b0", + "%a11(%6)", "%a12(%6)") "test $1, %4 \n\t" " jz 4f \n\t" "add %10, %1 \n\t" - BRANCHLESS_GET_CABAC("%4", "%q4", "(%1)", "%3", "%w3", - "%5", "%q5", "%k0", "%b0", - "%a11(%6)", "%a12(%6)", "%13") + BRANCHLESS_GET_CABAC("%4", "(%1)", "%3", "%w3", + "%5", "%k0", "%b0", + "%a11(%6)", "%a12(%6)") "sub %10, %1 \n\t" "mov %2, %0 \n\t" @@ -97,7 +86,7 @@ static int decode_significance_x86(CABACContext *c, int max_coeff, "+&r"(c->low), "=&r"(bit), "+&r"(c->range) : "r"(c), "m"(minusstart), "m"(end), "m"(minusindex), "m"(last_off), "i"(offsetof(CABACContext, bytestream)), - "i"(offsetof(CABACContext, bytestream_end)) RIP_ARG + "i"(offsetof(CABACContext, bytestream_end)) : "%"REG_c, "memory" ); return coeff_count; @@ -111,17 +100,6 @@ static int decode_significance_8x8_x86(CABACContext *c, x86_reg coeff_count; x86_reg last=0; x86_reg state; - -#ifdef BROKEN_RELOCATIONS - int *rip; - - __asm__ volatile( - "1: \n\t" - "lea 1b(%%rip), %0 \n\t" - : "=&r"(rip) - ); -#endif - __asm__ volatile( "mov %1, %6 \n\t" "3: \n\t" @@ -130,24 +108,20 @@ static int decode_significance_8x8_x86(CABACContext *c, "movzbl (%0, %6), %k6 \n\t" "add %9, %6 \n\t" - BRANCHLESS_GET_CABAC("%4", "%q4", "(%6)", "%3", "%w3", - "%5", "%q5", "%k0", "%b0", - "%a12(%7)", "%a13(%7)", "%14") + BRANCHLESS_GET_CABAC("%4", "(%6)", "%3", "%w3", + "%5", "%k0", "%b0", + "%a12(%7)", "%a13(%7)") "mov %1, %k6 \n\t" "test $1, %4 \n\t" " jz 4f \n\t" -#ifdef BROKEN_RELOCATIONS - "movzbl last_coeff_flag_offset_8x8-1b(%14, %q6), %k6\n\t" -#else - "movzbl last_coeff_flag_offset_8x8(%k6), %k6\n\t" -#endif + "movzbl "MANGLE(last_coeff_flag_offset_8x8)"(%k6), %k6\n\t" "add %11, %6 \n\t" - BRANCHLESS_GET_CABAC("%4", "%q4", "(%6)", "%3", "%w3", - "%5", "%q5", "%k0", "%b0", - "%a12(%7)", "%a13(%7)", "%14") + BRANCHLESS_GET_CABAC("%4", "(%6)", "%3", "%w3", + "%5", "%k0", "%b0", + "%a12(%7)", "%a13(%7)") "mov %2, %0 \n\t" "mov %1, %k6 \n\t" @@ -173,7 +147,7 @@ static int decode_significance_8x8_x86(CABACContext *c, : "r"(c), "m"(minusindex), "m"(significant_coeff_ctx_base), "m"(sig_off), "m"(last_coeff_ctx_base), "i"(offsetof(CABACContext, bytestream)), - "i"(offsetof(CABACContext, bytestream_end)) RIP_ARG + "i"(offsetof(CABACContext, bytestream_end)) : "%"REG_c, "memory" ); return coeff_count; |