; This is used for mmxext and sse2 because they have pminsw/pmaxsw.
;-----------------------------------------------------------------------------
-%macro AC3_MAX_MSB_ABS_INT16 2
-cglobal ac3_max_msb_abs_int16_%1, 2,2,5, src, len
+; logical 'or' of 4 or 8 words in an mmx or xmm register into the low word
+%macro OR_WORDS_HORIZ 2 ; src, tmp
+%if cpuflag(sse2)
+ movhlps %2, %1
+ por %1, %2
+ pshuflw %2, %1, q0032
+ por %1, %2
+ pshuflw %2, %1, q0001
+ por %1, %2
+%elif cpuflag(mmx2)
+ pshufw %2, %1, q0032
+ por %1, %2
+ pshufw %2, %1, q0001
+ por %1, %2
+%else ; mmx
+ movq %2, %1
+ psrlq %2, 32
+ por %1, %2
+ movq %2, %1
+ psrlq %2, 16
+ por %1, %2
+%endif
+%endmacro
+
+%macro AC3_MAX_MSB_ABS_INT16 1
+cglobal ac3_max_msb_abs_int16, 2,2,5, src, len
pxor m2, m2
pxor m3, m3
.loop:
-%ifidn %2, min_max
+%ifidn %1, min_max
mova m0, [srcq]
mova m1, [srcq+mmsize]
pminsw m2, m0
pmaxsw m3, m0
pmaxsw m3, m1
%else ; or_abs
-%ifidn %1, mmx
+%if notcpuflag(ssse3)
mova m0, [srcq]
mova m1, [srcq+mmsize]
ABS2 m0, m1, m3, m4
add srcq, mmsize*2
sub lend, mmsize
ja .loop
-%ifidn %2, min_max
+%ifidn %1, min_max
ABS2 m2, m3, m0, m1
por m2, m3
%endif
-%ifidn mmsize, 16
- movhlps m0, m2
- por m2, m0
-%endif
- PSHUFLW m0, m2, 0xe
- por m2, m0
- PSHUFLW m0, m2, 0x1
- por m2, m0
+ OR_WORDS_HORIZ m2, m0
movd eax, m2
and eax, 0xFFFF
RET
%endmacro
-INIT_MMX
+INIT_MMX mmx
%define ABS2 ABS2_MMX
-%define PSHUFLW pshufw
-AC3_MAX_MSB_ABS_INT16 mmx, or_abs
+AC3_MAX_MSB_ABS_INT16 or_abs
+INIT_MMX mmx2
%define ABS2 ABS2_MMX2
-AC3_MAX_MSB_ABS_INT16 mmxext, min_max
-INIT_XMM
-%define PSHUFLW pshuflw
-AC3_MAX_MSB_ABS_INT16 sse2, min_max
+AC3_MAX_MSB_ABS_INT16 min_max
+INIT_XMM sse2
+AC3_MAX_MSB_ABS_INT16 min_max
+INIT_XMM ssse3
%define ABS2 ABS2_SSSE3
-AC3_MAX_MSB_ABS_INT16 ssse3, or_abs
+AC3_MAX_MSB_ABS_INT16 or_abs
;-----------------------------------------------------------------------------
; macro used for ff_ac3_lshift_int16() and ff_ac3_rshift_int32()
extern void ff_ac3_exponent_min_mmxext(uint8_t *exp, int num_reuse_blocks, int nb_coefs);
extern void ff_ac3_exponent_min_sse2 (uint8_t *exp, int num_reuse_blocks, int nb_coefs);
-extern int ff_ac3_max_msb_abs_int16_mmx (const int16_t *src, int len);
-extern int ff_ac3_max_msb_abs_int16_mmxext(const int16_t *src, int len);
-extern int ff_ac3_max_msb_abs_int16_sse2 (const int16_t *src, int len);
-extern int ff_ac3_max_msb_abs_int16_ssse3 (const int16_t *src, int len);
+extern int ff_ac3_max_msb_abs_int16_mmx (const int16_t *src, int len);
+extern int ff_ac3_max_msb_abs_int16_mmx2 (const int16_t *src, int len);
+extern int ff_ac3_max_msb_abs_int16_sse2 (const int16_t *src, int len);
+extern int ff_ac3_max_msb_abs_int16_ssse3(const int16_t *src, int len);
extern void ff_ac3_lshift_int16_mmx (int16_t *src, unsigned int len, unsigned int shift);
extern void ff_ac3_lshift_int16_sse2(int16_t *src, unsigned int len, unsigned int shift);
}
if (mm_flags & AV_CPU_FLAG_MMX2 && HAVE_MMX2) {
c->ac3_exponent_min = ff_ac3_exponent_min_mmxext;
- c->ac3_max_msb_abs_int16 = ff_ac3_max_msb_abs_int16_mmxext;
+ c->ac3_max_msb_abs_int16 = ff_ac3_max_msb_abs_int16_mmx2;
}
if (mm_flags & AV_CPU_FLAG_SSE && HAVE_SSE) {
c->float_to_fixed24 = ff_float_to_fixed24_sse;