diff options
Diffstat (limited to 'libavcodec/x86')
| -rw-r--r-- | libavcodec/x86/ac3dsp.asm | 36 | ||||
| -rw-r--r-- | libavcodec/x86/ac3dsp_init.c | 1 |
2 files changed, 0 insertions, 37 deletions
diff --git a/libavcodec/x86/ac3dsp.asm b/libavcodec/x86/ac3dsp.asm index b4986ad50f..b43231855c 100644 --- a/libavcodec/x86/ac3dsp.asm +++ b/libavcodec/x86/ac3dsp.asm @@ -379,42 +379,6 @@ cglobal ac3_compute_mantissa_size, 1, 2, 4, mant_cnt, sum %endif %endmacro -%if HAVE_AMD3DNOW_EXTERNAL -INIT_MMX 3dnow -cglobal ac3_extract_exponents, 3, 3, 0, exp, coef, len - add expq, lenq - lea coefq, [coefq+4*lenq] - neg lenq - movq m3, [pd_1] - movq m4, [pd_151] -.loop: - movq m0, [coefq+4*lenq ] - movq m1, [coefq+4*lenq+8] - PABSD m0, m2 - PABSD m1, m2 - pslld m0, 1 - por m0, m3 - pi2fd m2, m0 - psrld m2, 23 - movq m0, m4 - psubd m0, m2 - pslld m1, 1 - por m1, m3 - pi2fd m2, m1 - psrld m2, 23 - movq m1, m4 - psubd m1, m2 - packssdw m0, m0 - packuswb m0, m0 - packssdw m1, m1 - packuswb m1, m1 - punpcklwd m0, m1 - movd [expq+lenq], m0 - add lenq, 4 - jl .loop - REP_RET -%endif - %macro AC3_EXTRACT_EXPONENTS 0 cglobal ac3_extract_exponents, 3, 3, 4, exp, coef, len add expq, lenq diff --git a/libavcodec/x86/ac3dsp_init.c b/libavcodec/x86/ac3dsp_init.c index 99815f7bd1..d3d59b8c06 100644 --- a/libavcodec/x86/ac3dsp_init.c +++ b/libavcodec/x86/ac3dsp_init.c @@ -189,7 +189,6 @@ av_cold void ff_ac3dsp_init_x86(AC3DSPContext *c, int bit_exact) c->ac3_rshift_int32 = ff_ac3_rshift_int32_mmx; } if (EXTERNAL_AMD3DNOW(mm_flags)) { - c->extract_exponents = ff_ac3_extract_exponents_3dnow; if (!bit_exact) { c->float_to_fixed24 = ff_float_to_fixed24_3dnow; } |