Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 639 insertions, 0 deletions

diff --git a/media/libjpeg/simd/x86_64/jcphuff-sse2.asm b/media/libjpeg/simd/x86_64/jcphuff-sse2.asm
new file mode 100644
index 0000000000..01b5c0235f
--- /dev/null
+++ b/media/libjpeg/simd/x86_64/jcphuff-sse2.asm
@@ -0,0 +1,639 @@
+;
+; jcphuff-sse2.asm - prepare data for progressive Huffman encoding
+; (64-bit SSE2)
+;
+; Copyright (C) 2016, 2018, Matthieu Darbois
+;
+; Based on the x86 SIMD extension for IJG JPEG library
+; Copyright (C) 1999-2006, MIYASAKA Masaru.
+; For conditions of distribution and use, see copyright notice in jsimdext.inc
+;
+; This file should be assembled with NASM (Netwide Assembler),
+; can *not* be assembled with Microsoft's MASM or any compatible
+; assembler (including Borland's Turbo Assembler).
+; NASM is available from http://nasm.sourceforge.net/ or
+; http://sourceforge.net/project/showfiles.php?group_id=6208
+;
+; This file contains an SSE2 implementation of data preparation for progressive
+; Huffman encoding.  See jcphuff.c for more details.
+
+%include "jsimdext.inc"
+
+; --------------------------------------------------------------------------
+    SECTION     SEG_TEXT
+    BITS        64
+
+; --------------------------------------------------------------------------
+; Macros to load data for jsimd_encode_mcu_AC_first_prepare_sse2() and
+; jsimd_encode_mcu_AC_refine_prepare_sse2()
+
+%macro LOAD16 0
+    pxor        N0, N0
+    pxor        N1, N1
+
+    mov         T0d, INT [LUT +  0*SIZEOF_INT]
+    mov         T1d, INT [LUT +  8*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 0
+    pinsrw      X1, word [BLOCK + T1 * 2], 0
+
+    mov         T0d, INT [LUT +  1*SIZEOF_INT]
+    mov         T1d, INT [LUT +  9*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 1
+    pinsrw      X1, word [BLOCK + T1 * 2], 1
+
+    mov         T0d, INT [LUT +  2*SIZEOF_INT]
+    mov         T1d, INT [LUT + 10*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 2
+    pinsrw      X1, word [BLOCK + T1 * 2], 2
+
+    mov         T0d, INT [LUT +  3*SIZEOF_INT]
+    mov         T1d, INT [LUT + 11*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 3
+    pinsrw      X1, word [BLOCK + T1 * 2], 3
+
+    mov         T0d, INT [LUT +  4*SIZEOF_INT]
+    mov         T1d, INT [LUT + 12*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 4
+    pinsrw      X1, word [BLOCK + T1 * 2], 4
+
+    mov         T0d, INT [LUT +  5*SIZEOF_INT]
+    mov         T1d, INT [LUT + 13*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 5
+    pinsrw      X1, word [BLOCK + T1 * 2], 5
+
+    mov         T0d, INT [LUT +  6*SIZEOF_INT]
+    mov         T1d, INT [LUT + 14*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 6
+    pinsrw      X1, word [BLOCK + T1 * 2], 6
+
+    mov         T0d, INT [LUT +  7*SIZEOF_INT]
+    mov         T1d, INT [LUT + 15*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 7
+    pinsrw      X1, word [BLOCK + T1 * 2], 7
+%endmacro
+
+%macro LOAD15 0
+    pxor        N0, N0
+    pxor        N1, N1
+    pxor        X1, X1
+
+    mov         T0d, INT [LUT +  0*SIZEOF_INT]
+    mov         T1d, INT [LUT +  8*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 0
+    pinsrw      X1, word [BLOCK + T1 * 2], 0
+
+    mov         T0d, INT [LUT +  1*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 1
+
+    mov         T0d, INT [LUT +  2*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 2
+
+    mov         T0d, INT [LUT +  3*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 3
+
+    mov         T0d, INT [LUT +  4*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 4
+
+    mov         T0d, INT [LUT +  5*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 5
+
+    mov         T0d, INT [LUT +  6*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 6
+
+    mov         T0d, INT [LUT +  7*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 7
+
+    cmp         LENEND, 2
+    jl          %%.ELOAD15
+    mov         T1d, INT [LUT +  9*SIZEOF_INT]
+    pinsrw      X1, word [BLOCK + T1 * 2], 1
+
+    cmp         LENEND, 3
+    jl          %%.ELOAD15
+    mov         T1d, INT [LUT + 10*SIZEOF_INT]
+    pinsrw      X1, word [BLOCK + T1 * 2], 2
+
+    cmp         LENEND, 4
+    jl          %%.ELOAD15
+    mov         T1d, INT [LUT + 11*SIZEOF_INT]
+    pinsrw      X1, word [BLOCK + T1 * 2], 3
+
+    cmp         LENEND, 5
+    jl          %%.ELOAD15
+    mov         T1d, INT [LUT + 12*SIZEOF_INT]
+    pinsrw      X1, word [BLOCK + T1 * 2], 4
+
+    cmp         LENEND, 6
+    jl          %%.ELOAD15
+    mov         T1d, INT [LUT + 13*SIZEOF_INT]
+    pinsrw      X1, word [BLOCK + T1 * 2], 5
+
+    cmp         LENEND, 7
+    jl          %%.ELOAD15
+    mov         T1d, INT [LUT + 14*SIZEOF_INT]
+    pinsrw      X1, word [BLOCK + T1 * 2], 6
+%%.ELOAD15:
+%endmacro
+
+%macro LOAD8 0
+    pxor        N0, N0
+
+    mov         T0d, INT [LUT +  0*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 0
+
+    mov         T0d, INT [LUT +  1*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 1
+
+    mov         T0d, INT [LUT +  2*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 2
+
+    mov         T0d, INT [LUT +  3*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 3
+
+    mov         T0d, INT [LUT +  4*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 4
+
+    mov         T0d, INT [LUT +  5*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 5
+
+    mov         T0d, INT [LUT +  6*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 6
+
+    mov         T0d, INT [LUT +  7*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T0 * 2], 7
+%endmacro
+
+%macro LOAD7 0
+    pxor        N0, N0
+    pxor        X0, X0
+
+    mov         T1d, INT [LUT +  0*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T1 * 2], 0
+
+    cmp         LENEND, 2
+    jl          %%.ELOAD7
+    mov         T1d, INT [LUT +  1*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T1 * 2], 1
+
+    cmp         LENEND, 3
+    jl          %%.ELOAD7
+    mov         T1d, INT [LUT +  2*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T1 * 2], 2
+
+    cmp         LENEND, 4
+    jl          %%.ELOAD7
+    mov         T1d, INT [LUT +  3*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T1 * 2], 3
+
+    cmp         LENEND, 5
+    jl          %%.ELOAD7
+    mov         T1d, INT [LUT +  4*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T1 * 2], 4
+
+    cmp         LENEND, 6
+    jl          %%.ELOAD7
+    mov         T1d, INT [LUT +  5*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T1 * 2], 5
+
+    cmp         LENEND, 7
+    jl          %%.ELOAD7
+    mov         T1d, INT [LUT +  6*SIZEOF_INT]
+    pinsrw      X0, word [BLOCK + T1 * 2], 6
+%%.ELOAD7:
+%endmacro
+
+%macro REDUCE0 0
+    movdqa      xmm0, XMMWORD [VALUES + ( 0*2)]
+    movdqa      xmm1, XMMWORD [VALUES + ( 8*2)]
+    movdqa      xmm2, XMMWORD [VALUES + (16*2)]
+    movdqa      xmm3, XMMWORD [VALUES + (24*2)]
+    movdqa      xmm4, XMMWORD [VALUES + (32*2)]
+    movdqa      xmm5, XMMWORD [VALUES + (40*2)]
+    movdqa      xmm6, XMMWORD [VALUES + (48*2)]
+    movdqa      xmm7, XMMWORD [VALUES + (56*2)]
+
+    pcmpeqw     xmm0, ZERO
+    pcmpeqw     xmm1, ZERO
+    pcmpeqw     xmm2, ZERO
+    pcmpeqw     xmm3, ZERO
+    pcmpeqw     xmm4, ZERO
+    pcmpeqw     xmm5, ZERO
+    pcmpeqw     xmm6, ZERO
+    pcmpeqw     xmm7, ZERO
+
+    packsswb    xmm0, xmm1
+    packsswb    xmm2, xmm3
+    packsswb    xmm4, xmm5
+    packsswb    xmm6, xmm7
+
+    pmovmskb    eax, xmm0
+    pmovmskb    ecx, xmm2
+    pmovmskb    edx, xmm4
+    pmovmskb    esi, xmm6
+
+    shl         rcx, 16
+    shl         rdx, 32
+    shl         rsi, 48
+
+    or          rax, rcx
+    or          rdx, rsi
+    or          rax, rdx
+
+    not         rax
+
+    mov         MMWORD [r15], rax
+%endmacro
+
+;
+; Prepare data for jsimd_encode_mcu_AC_first().
+;
+; GLOBAL(void)
+; jsimd_encode_mcu_AC_first_prepare_sse2(const JCOEF *block,
+;                                        const int *jpeg_natural_order_start,
+;                                        int Sl, int Al, JCOEF *values,
+;                                        size_t *zerobits)
+;
+; r10 = const JCOEF *block
+; r11 = const int *jpeg_natural_order_start
+; r12 = int Sl
+; r13 = int Al
+; r14 = JCOEF *values
+; r15 = size_t *zerobits
+
+%define ZERO    xmm9
+%define X0      xmm0
+%define X1      xmm1
+%define N0      xmm2
+%define N1      xmm3
+%define AL      xmm4
+%define K       eax
+%define LUT     r11
+%define T0      rcx
+%define T0d     ecx
+%define T1      rdx
+%define T1d     edx
+%define BLOCK   r10
+%define VALUES  r14
+%define LEN     r12d
+%define LENEND  r13d
+
+    align       32
+    GLOBAL_FUNCTION(jsimd_encode_mcu_AC_first_prepare_sse2)
+
+EXTN(jsimd_encode_mcu_AC_first_prepare_sse2):
+    push        rbp
+    mov         rax, rsp                     ; rax = original rbp
+    sub         rsp, byte 4
+    and         rsp, byte (-SIZEOF_XMMWORD)  ; align to 128 bits
+    mov         [rsp], rax
+    mov         rbp, rsp                     ; rbp = aligned rbp
+    lea         rsp, [rbp - 16]
+    collect_args 6
+
+    movdqa      XMMWORD [rbp - 16], ZERO
+
+    movd        AL, r13d
+    pxor        ZERO, ZERO
+    mov         K, LEN
+    mov         LENEND, LEN
+    and         K, -16
+    and         LENEND, 7
+    shr         K, 4
+    jz          .ELOOP16
+.BLOOP16:
+    LOAD16
+    pcmpgtw     N0, X0
+    pcmpgtw     N1, X1
+    paddw       X0, N0
+    paddw       X1, N1
+    pxor        X0, N0
+    pxor        X1, N1
+    psrlw       X0, AL
+    psrlw       X1, AL
+    pxor        N0, X0
+    pxor        N1, X1
+    movdqa      XMMWORD [VALUES + (0) * 2], X0
+    movdqa      XMMWORD [VALUES + (8) * 2], X1
+    movdqa      XMMWORD [VALUES + (0 + DCTSIZE2) * 2], N0
+    movdqa      XMMWORD [VALUES + (8 + DCTSIZE2) * 2], N1
+    add         VALUES, 16*2
+    add         LUT, 16*SIZEOF_INT
+    dec         K
+    jnz         .BLOOP16
+    test        LEN, 15
+    je          .PADDING
+.ELOOP16:
+    test        LEN, 8
+    jz          .TRY7
+    test        LEN, 7
+    jz          .TRY8
+
+    LOAD15
+    pcmpgtw     N0, X0
+    pcmpgtw     N1, X1
+    paddw       X0, N0
+    paddw       X1, N1
+    pxor        X0, N0
+    pxor        X1, N1
+    psrlw       X0, AL
+    psrlw       X1, AL
+    pxor        N0, X0
+    pxor        N1, X1
+    movdqa      XMMWORD [VALUES + (0) * 2], X0
+    movdqa      XMMWORD [VALUES + (8) * 2], X1
+    movdqa      XMMWORD [VALUES + (0 + DCTSIZE2) * 2], N0
+    movdqa      XMMWORD [VALUES + (8 + DCTSIZE2) * 2], N1
+    add         VALUES, 16*2
+    jmp         .PADDING
+.TRY8:
+    LOAD8
+    pcmpgtw     N0, X0
+    paddw       X0, N0
+    pxor        X0, N0
+    psrlw       X0, AL
+    pxor        N0, X0
+    movdqa      XMMWORD [VALUES + (0) * 2], X0
+    movdqa      XMMWORD [VALUES + (0 + DCTSIZE2) * 2], N0
+    add         VALUES, 8*2
+    jmp         .PADDING
+.TRY7:
+    LOAD7
+    pcmpgtw     N0, X0
+    paddw       X0, N0
+    pxor        X0, N0
+    psrlw       X0, AL
+    pxor        N0, X0
+    movdqa      XMMWORD [VALUES + (0) * 2], X0
+    movdqa      XMMWORD [VALUES + (0 + DCTSIZE2) * 2], N0
+    add         VALUES, 8*2
+.PADDING:
+    mov         K, LEN
+    add         K, 7
+    and         K, -8
+    shr         K, 3
+    sub         K, DCTSIZE2/8
+    jz          .EPADDING
+    align       16
+.ZEROLOOP:
+    movdqa      XMMWORD [VALUES + 0], ZERO
+    add         VALUES, 8*2
+    inc         K
+    jnz         .ZEROLOOP
+.EPADDING:
+    sub         VALUES, DCTSIZE2*2
+
+    REDUCE0
+
+    movdqa      ZERO, XMMWORD [rbp - 16]
+    uncollect_args 6
+    mov         rsp, rbp                ; rsp <- aligned rbp
+    pop         rsp                     ; rsp <- original rbp
+    pop         rbp
+    ret
+
+%undef ZERO
+%undef X0
+%undef X1
+%undef N0
+%undef N1
+%undef AL
+%undef K
+%undef LUT
+%undef T0
+%undef T0d
+%undef T1
+%undef T1d
+%undef BLOCK
+%undef VALUES
+%undef LEN
+%undef LENEND
+
+;
+; Prepare data for jsimd_encode_mcu_AC_refine().
+;
+; GLOBAL(int)
+; jsimd_encode_mcu_AC_refine_prepare_sse2(const JCOEF *block,
+;                                         const int *jpeg_natural_order_start,
+;                                         int Sl, int Al, JCOEF *absvalues,
+;                                         size_t *bits)
+;
+; r10 = const JCOEF *block
+; r11 = const int *jpeg_natural_order_start
+; r12 = int Sl
+; r13 = int Al
+; r14 = JCOEF *values
+; r15 = size_t *bits
+
+%define ZERO    xmm9
+%define ONE     xmm5
+%define X0      xmm0
+%define X1      xmm1
+%define N0      xmm2
+%define N1      xmm3
+%define AL      xmm4
+%define K       eax
+%define KK      r9d
+%define EOB     r8d
+%define SIGN    rdi
+%define LUT     r11
+%define T0      rcx
+%define T0d     ecx
+%define T1      rdx
+%define T1d     edx
+%define BLOCK   r10
+%define VALUES  r14
+%define LEN     r12d
+%define LENEND  r13d
+
+    align       32
+    GLOBAL_FUNCTION(jsimd_encode_mcu_AC_refine_prepare_sse2)
+
+EXTN(jsimd_encode_mcu_AC_refine_prepare_sse2):
+    push        rbp
+    mov         rax, rsp                     ; rax = original rbp
+    sub         rsp, byte 4
+    and         rsp, byte (-SIZEOF_XMMWORD)  ; align to 128 bits
+    mov         [rsp], rax
+    mov         rbp, rsp                     ; rbp = aligned rbp
+    lea         rsp, [rbp - 16]
+    collect_args 6
+
+    movdqa      XMMWORD [rbp - 16], ZERO
+
+    xor         SIGN, SIGN
+    xor         EOB, EOB
+    xor         KK, KK
+    movd        AL, r13d
+    pxor        ZERO, ZERO
+    pcmpeqw     ONE, ONE
+    psrlw       ONE, 15
+    mov         K, LEN
+    mov         LENEND, LEN
+    and         K, -16
+    and         LENEND, 7
+    shr         K, 4
+    jz          .ELOOPR16
+.BLOOPR16:
+    LOAD16
+    pcmpgtw     N0, X0
+    pcmpgtw     N1, X1
+    paddw       X0, N0
+    paddw       X1, N1
+    pxor        X0, N0
+    pxor        X1, N1
+    psrlw       X0, AL
+    psrlw       X1, AL
+    movdqa      XMMWORD [VALUES + (0) * 2], X0
+    movdqa      XMMWORD [VALUES + (8) * 2], X1
+    pcmpeqw     X0, ONE
+    pcmpeqw     X1, ONE
+    packsswb    N0, N1
+    packsswb    X0, X1
+    pmovmskb    T0d, N0                 ; lsignbits.val16u[k>>4] = _mm_movemask_epi8(neg);
+    pmovmskb    T1d, X0                 ; idx = _mm_movemask_epi8(x1);
+    shr         SIGN, 16                ; make room for sizebits
+    shl         T0, 48
+    or          SIGN, T0
+    bsr         T1d, T1d                ;  idx = 16 - (__builtin_clz(idx)>>1);
+    jz          .CONTINUER16            ; if (idx) {
+    mov         EOB, KK
+    add         EOB, T1d                ; EOB = k + idx;
+.CONTINUER16:
+    add         VALUES, 16*2
+    add         LUT, 16*SIZEOF_INT
+    add         KK, 16
+    dec         K
+    jnz         .BLOOPR16
+    test        LEN, 15
+    je          .PADDINGR
+.ELOOPR16:
+    test        LEN, 8
+    jz          .TRYR7
+    test        LEN, 7
+    jz          .TRYR8
+
+    LOAD15
+    pcmpgtw     N0, X0
+    pcmpgtw     N1, X1
+    paddw       X0, N0
+    paddw       X1, N1
+    pxor        X0, N0
+    pxor        X1, N1
+    psrlw       X0, AL
+    psrlw       X1, AL
+    movdqa      XMMWORD [VALUES + (0) * 2], X0
+    movdqa      XMMWORD [VALUES + (8) * 2], X1
+    pcmpeqw     X0, ONE
+    pcmpeqw     X1, ONE
+    packsswb    N0, N1
+    packsswb    X0, X1
+    pmovmskb    T0d, N0                 ; lsignbits.val16u[k>>4] = _mm_movemask_epi8(neg);
+    pmovmskb    T1d, X0                 ; idx = _mm_movemask_epi8(x1);
+    shr         SIGN, 16                ; make room for sizebits
+    shl         T0, 48
+    or          SIGN, T0
+    bsr         T1d, T1d                ;  idx = 16 - (__builtin_clz(idx)>>1);
+    jz          .CONTINUER15            ; if (idx) {
+    mov         EOB, KK
+    add         EOB, T1d                ; EOB = k + idx;
+.CONTINUER15:
+    add         VALUES, 16*2
+    jmp         .PADDINGR
+.TRYR8:
+    LOAD8
+
+    pcmpgtw     N0, X0
+    paddw       X0, N0
+    pxor        X0, N0
+    psrlw       X0, AL
+    movdqa      XMMWORD [VALUES + (0) * 2], X0
+    pcmpeqw     X0, ONE
+    packsswb    N0, ZERO
+    packsswb    X0, ZERO
+    pmovmskb    T0d, N0                 ; lsignbits.val16u[k>>4] = _mm_movemask_epi8(neg);
+    pmovmskb    T1d, X0                 ; idx = _mm_movemask_epi8(x1);
+    shr         SIGN, 8                 ; make room for sizebits
+    shl         T0, 56
+    or          SIGN, T0
+    bsr         T1d, T1d                ;  idx = 16 - (__builtin_clz(idx)>>1);
+    jz          .CONTINUER8             ; if (idx) {
+    mov         EOB, KK
+    add         EOB, T1d                ; EOB = k + idx;
+.CONTINUER8:
+    add         VALUES, 8*2
+    jmp         .PADDINGR
+.TRYR7:
+    LOAD7
+
+    pcmpgtw     N0, X0
+    paddw       X0, N0
+    pxor        X0, N0
+    psrlw       X0, AL
+    movdqa      XMMWORD [VALUES + (0) * 2], X0
+    pcmpeqw     X0, ONE
+    packsswb    N0, ZERO
+    packsswb    X0, ZERO
+    pmovmskb    T0d, N0                 ; lsignbits.val16u[k>>4] = _mm_movemask_epi8(neg);
+    pmovmskb    T1d, X0                 ; idx = _mm_movemask_epi8(x1);
+    shr         SIGN, 8                 ; make room for sizebits
+    shl         T0, 56
+    or          SIGN, T0
+    bsr         T1d, T1d                ; idx = 16 - (__builtin_clz(idx)>>1);
+    jz          .CONTINUER7             ; if (idx) {
+    mov         EOB, KK
+    add         EOB, T1d                ; EOB = k + idx;
+.CONTINUER7:
+    add         VALUES, 8*2
+.PADDINGR:
+    mov         K, LEN
+    add         K, 7
+    and         K, -8
+    shr         K, 3
+    sub         K, DCTSIZE2/8
+    jz          .EPADDINGR
+    align       16
+.ZEROLOOPR:
+    movdqa      XMMWORD [VALUES + 0], ZERO
+    shr         SIGN, 8
+    add         VALUES, 8*2
+    inc         K
+    jnz         .ZEROLOOPR
+.EPADDINGR:
+    not         SIGN
+    sub         VALUES, DCTSIZE2*2
+    mov         MMWORD [r15+SIZEOF_MMWORD], SIGN
+
+    REDUCE0
+
+    mov         eax, EOB
+    movdqa      ZERO, XMMWORD [rbp - 16]
+    uncollect_args 6
+    mov         rsp, rbp                ; rsp <- aligned rbp
+    pop         rsp                     ; rsp <- original rbp
+    pop         rbp
+    ret
+
+%undef ZERO
+%undef ONE
+%undef X0
+%undef X1
+%undef N0
+%undef N1
+%undef AL
+%undef K
+%undef KK
+%undef EOB
+%undef SIGN
+%undef LUT
+%undef T0
+%undef T0d
+%undef T1
+%undef T1d
+%undef BLOCK
+%undef VALUES
+%undef LEN
+%undef LENEND
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+    align       32