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proresdsp.asm: Remove useless instructions.

tags/n0.9
Michael Niedermayer 14 years ago
parent
bebaf4ea1f
commit
6398c0f7e1
1 changed files with 0 additions and 80 deletions
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  1. +0
    -80
      libavcodec/x86/proresdsp.asm

+ 0
- 80
libavcodec/x86/proresdsp.asm View File

@@ -99,8 +99,6 @@ section .text align=16
%ifidn %1, row
psubw m10,[row_round]
%endif
SIGNEXTEND m8, m9, m14 ; { row[2] }[0-3] / [4-7]
SIGNEXTEND m10, m11, m14 ; { row[0] }[0-3] / [4-7]
pmaddwd m2, m0, [w4_plus_w6]
pmaddwd m3, m1, [w4_plus_w6]
pmaddwd m4, m0, [w4_min_w6]
@@ -114,54 +112,28 @@ section .text align=16
; a1: -1*row[0]
; a2: -1*row[0]
; a3: -1*row[0]+1*row[2]
psubd m2, m10 ; a1[0-3]
psubd m3, m11 ; a1[4-7]
psubd m4, m10 ; a2[0-3]
psubd m5, m11 ; a2[4-7]
psubd m0, m10
psubd m1, m11
psubd m6, m10
psubd m7, m11
psubd m0, m8 ; a0[0-3]
psubd m1, m9 ; a0[4-7]
paddd m6, m8 ; a3[0-3]
paddd m7, m9 ; a3[4-7]

; a0 += W4*row[4] + W6*row[6]; i.e. -1*row[4]
; a1 -= W4*row[4] + W2*row[6]; i.e. -1*row[4]-1*row[6]
; a2 -= W4*row[4] - W2*row[6]; i.e. -1*row[4]+1*row[6]
; a3 += W4*row[4] - W6*row[6]; i.e. -1*row[4]
SBUTTERFLY3 wd, 8, 9, 13, 12 ; { row[4], row[6] }[0-3]/[4-7]
SIGNEXTEND m13, m14, m10 ; { row[4] }[0-3] / [4-7]
pmaddwd m10, m8, [w4_plus_w6]
pmaddwd m11, m9, [w4_plus_w6]
psubd m10, m13
psubd m11, m14
paddd m0, m10 ; a0[0-3]
paddd m1, m11 ; a0[4-7]
pmaddwd m10, m8, [w4_min_w6]
pmaddwd m11, m9, [w4_min_w6]
psubd m10, m13
psubd m11, m14
paddd m6, m10 ; a3[0-3]
paddd m7, m11 ; a3[4-7]
pmaddwd m10, m8, [w4_min_w2]
pmaddwd m11, m9, [w4_min_w2]
pmaddwd m8, [w4_plus_w2]
pmaddwd m9, [w4_plus_w2]
psubd m10, m13
psubd m11, m14
psubd m8, m13
psubd m9, m14
psubd m4, m10 ; a2[0-3] intermediate
psubd m5, m11 ; a2[4-7] intermediate
psubd m2, m8 ; a1[0-3] intermediate
psubd m3, m9 ; a1[4-7] intermediate
SIGNEXTEND m12, m13, m10 ; { row[6] }[0-3] / [4-7]
psubd m4, m12 ; a2[0-3]
psubd m5, m13 ; a2[4-7]
paddd m2, m12 ; a1[0-3]
paddd m3, m13 ; a1[4-7]

; load/store
mova [r2+ 0], m0
@@ -192,8 +164,6 @@ section .text align=16
; b3 = MUL(W7, row[1]);
; MAC(b3, -W5, row[3]);
SBUTTERFLY3 wd, 0, 1, 10, 8 ; { row[1], row[3] }[0-3]/[4-7]
SIGNEXTEND m10, m11, m12 ; { row[1] }[0-3] / [4-7]
SIGNEXTEND m8, m9, m12 ; { row[3] }[0-3] / [4-7]
pmaddwd m2, m0, [w3_min_w7]
pmaddwd m3, m1, [w3_min_w7]
pmaddwd m4, m0, [w5_min_w1]
@@ -207,22 +177,6 @@ section .text align=16
; b1: +2*row[1]-1*row[3]
; b2: -1*row[1]-1*row[3]
; b3: +1*row[1]+1*row[3]
psubd m2, m8
psubd m3, m9
paddd m0, m8
paddd m1, m9
paddd m8, m10 ; { row[1] + row[3] }[0-3]
paddd m9, m11 ; { row[1] + row[3] }[4-7]
paddd m10, m10
paddd m11, m11
paddd m0, m8 ; b0[0-3]
paddd m1, m9 ; b0[4-7]
paddd m2, m10 ; b1[0-3]
paddd m3, m11 ; b2[4-7]
psubd m4, m8 ; b2[0-3]
psubd m5, m9 ; b2[4-7]
paddd m6, m8 ; b3[0-3]
paddd m7, m9 ; b3[4-7]

; MAC(b0, W5, row[5]);
; MAC(b0, W7, row[7]);
@@ -233,29 +187,11 @@ section .text align=16
; MAC(b3, W3, row[5]);
; MAC(b3, -W1, row[7]);
SBUTTERFLY3 wd, 8, 9, 13, 14 ; { row[5], row[7] }[0-3]/[4-7]
SIGNEXTEND m13, m12, m11 ; { row[5] }[0-3] / [4-7]
SIGNEXTEND m14, m11, m10 ; { row[7] }[0-3] / [4-7]

; b0: -1*row[5]+1*row[7]
; b1: -1*row[5]+1*row[7]
; b2: +1*row[5]+2*row[7]
; b3: +2*row[5]-1*row[7]
paddd m4, m13
paddd m5, m12
paddd m6, m13
paddd m7, m12
psubd m13, m14 ; { row[5] - row[7] }[0-3]
psubd m12, m11 ; { row[5] - row[7] }[4-7]
paddd m14, m14
paddd m11, m11
psubd m0, m13
psubd m1, m12
psubd m2, m13
psubd m3, m12
paddd m4, m14
paddd m5, m11
paddd m6, m13
paddd m7, m12

pmaddwd m10, m8, [w1_plus_w5]
pmaddwd m11, m9, [w1_plus_w5]
@@ -374,25 +310,9 @@ cglobal prores_idct_put_10_%1, 4, 4, %2
RET
%endmacro

%macro signextend_sse2 3 ; dstlow, dsthigh, tmp
pxor %3, %3
pcmpgtw %3, %1
mova %2, %1
punpcklwd %1, %3
punpckhwd %2, %3
%endmacro

%macro signextend_sse4 2-3 ; dstlow, dsthigh
movhlps %2, %1
pmovsxwd %1, %1
pmovsxwd %2, %2
%endmacro

INIT_XMM
%define SIGNEXTEND signextend_sse2
idct_put_fn sse2, 16
INIT_XMM
%define SIGNEXTEND signextend_sse4
idct_put_fn sse4, 16
INIT_AVX
idct_put_fn avx, 16


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