0683dde5d3
cargo-xwin drives the Windows MSVC cross-compile via clang-cl, under which CMake sets MSVC=1 — causing libopus 1.3.1's `if(NOT MSVC)` guards to skip the per-file `-msse4.1` / `-mssse3` COMPILE_FLAGS that its x86 SIMD source files need. Clang-cl (unlike real cl.exe) still honors Clang's target-feature system, so those files then fail to compile with "always_inline function '_mm_cvtepi16_epi32' requires target feature 'sse4.1'" errors across silk/NSQ_sse4_1.c, NSQ_del_dec_sse4_1.c, and VQ_WMat_EC_sse4_1.c. Earlier attempts to fix this downstream (cargo-xwin toolchain file, override.cmake CMAKE_C_COMPILE_OBJECT <FLAGS> replace, CFLAGS env vars) all failed because cargo-xwin rewrites override.cmake from scratch on every `cargo xwin build` invocation and cmake-rs's -DCMAKE_C_FLAGS= assembly happens before toolchain FORCE sets propagate. Fixing it upstream at the source: vendor audiopus_sys 0.2.2 into vendor/audiopus_sys, patch its bundled opus/CMakeLists.txt to introduce an MSVC_CL var (true only when CMAKE_C_COMPILER_ID == "MSVC", i.e. real cl.exe), and flip the eight `if(NOT MSVC)` SIMD guards to `if(NOT MSVC_CL)`. Clang-cl then gets the GCC-style per-file flags and the SSE4.1 sources build cleanly. Also flip the `if(MSVC)` global /arch block at line 445 to `if(MSVC_CL)` so only cl.exe applies /arch:AVX and clang-cl relies purely on per-file flags (no global/per-file mixing). Wire via [patch.crates-io] in the workspace root Cargo.toml; the patch is resolved relative to the workspace root as `vendor/audiopus_sys`. Upstream context: xiph/opus#256, xiph/opus PR #257 (both stale). Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
153 lines
5.0 KiB
C
153 lines
5.0 KiB
C
/* Copyright (c) 2007-2008 CSIRO
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Copyright (c) 2007-2010 Xiph.Org Foundation
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Copyright (c) 2008 Gregory Maxwell
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Written by Jean-Marc Valin and Gregory Maxwell */
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/*
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __CELT_MIPSR1_H__
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#define __CELT_MIPSR1_H__
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#define CELT_C
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#include "os_support.h"
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#include "mdct.h"
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#include <math.h>
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#include "celt.h"
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#include "pitch.h"
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#include "bands.h"
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#include "modes.h"
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#include "entcode.h"
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#include "quant_bands.h"
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#include "rate.h"
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#include "stack_alloc.h"
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#include "mathops.h"
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#include "float_cast.h"
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#include <stdarg.h>
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#include "celt_lpc.h"
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#include "vq.h"
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#define OVERRIDE_COMB_FILTER_CONST
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#define OVERRIDE_comb_filter
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void comb_filter(opus_val32 *y, opus_val32 *x, int T0, int T1, int N,
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opus_val16 g0, opus_val16 g1, int tapset0, int tapset1,
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const opus_val16 *window, int overlap, int arch)
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{
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int i;
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opus_val32 x0, x1, x2, x3, x4;
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(void)arch;
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/* printf ("%d %d %f %f\n", T0, T1, g0, g1); */
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opus_val16 g00, g01, g02, g10, g11, g12;
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static const opus_val16 gains[3][3] = {
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{QCONST16(0.3066406250f, 15), QCONST16(0.2170410156f, 15), QCONST16(0.1296386719f, 15)},
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{QCONST16(0.4638671875f, 15), QCONST16(0.2680664062f, 15), QCONST16(0.f, 15)},
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{QCONST16(0.7998046875f, 15), QCONST16(0.1000976562f, 15), QCONST16(0.f, 15)}};
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if (g0==0 && g1==0)
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{
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/* OPT: Happens to work without the OPUS_MOVE(), but only because the current encoder already copies x to y */
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if (x!=y)
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OPUS_MOVE(y, x, N);
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return;
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}
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g00 = MULT16_16_P15(g0, gains[tapset0][0]);
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g01 = MULT16_16_P15(g0, gains[tapset0][1]);
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g02 = MULT16_16_P15(g0, gains[tapset0][2]);
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g10 = MULT16_16_P15(g1, gains[tapset1][0]);
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g11 = MULT16_16_P15(g1, gains[tapset1][1]);
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g12 = MULT16_16_P15(g1, gains[tapset1][2]);
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x1 = x[-T1+1];
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x2 = x[-T1 ];
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x3 = x[-T1-1];
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x4 = x[-T1-2];
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/* If the filter didn't change, we don't need the overlap */
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if (g0==g1 && T0==T1 && tapset0==tapset1)
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overlap=0;
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for (i=0;i<overlap;i++)
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{
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opus_val16 f;
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opus_val32 res;
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f = MULT16_16_Q15(window[i],window[i]);
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x0= x[i-T1+2];
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asm volatile("MULT $ac1, %0, %1" : : "r" ((int)MULT16_16_Q15((Q15ONE-f),g00)), "r" ((int)x[i-T0]));
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asm volatile("MADD $ac1, %0, %1" : : "r" ((int)MULT16_16_Q15((Q15ONE-f),g01)), "r" ((int)ADD32(x[i-T0-1],x[i-T0+1])));
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asm volatile("MADD $ac1, %0, %1" : : "r" ((int)MULT16_16_Q15((Q15ONE-f),g02)), "r" ((int)ADD32(x[i-T0-2],x[i-T0+2])));
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asm volatile("MADD $ac1, %0, %1" : : "r" ((int)MULT16_16_Q15(f,g10)), "r" ((int)x2));
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asm volatile("MADD $ac1, %0, %1" : : "r" ((int)MULT16_16_Q15(f,g11)), "r" ((int)ADD32(x3,x1)));
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asm volatile("MADD $ac1, %0, %1" : : "r" ((int)MULT16_16_Q15(f,g12)), "r" ((int)ADD32(x4,x0)));
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asm volatile("EXTR.W %0,$ac1, %1" : "=r" (res): "i" (15));
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y[i] = x[i] + res;
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x4=x3;
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x3=x2;
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x2=x1;
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x1=x0;
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}
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x4 = x[i-T1-2];
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x3 = x[i-T1-1];
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x2 = x[i-T1];
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x1 = x[i-T1+1];
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if (g1==0)
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{
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/* OPT: Happens to work without the OPUS_MOVE(), but only because the current encoder already copies x to y */
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if (x!=y)
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OPUS_MOVE(y+overlap, x+overlap, N-overlap);
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return;
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}
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for (i=overlap;i<N;i++)
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{
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opus_val32 res;
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x0=x[i-T1+2];
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asm volatile("MULT $ac1, %0, %1" : : "r" ((int)g10), "r" ((int)x2));
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asm volatile("MADD $ac1, %0, %1" : : "r" ((int)g11), "r" ((int)ADD32(x3,x1)));
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asm volatile("MADD $ac1, %0, %1" : : "r" ((int)g12), "r" ((int)ADD32(x4,x0)));
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asm volatile("EXTR.W %0,$ac1, %1" : "=r" (res): "i" (15));
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y[i] = x[i] + res;
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x4=x3;
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x3=x2;
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x2=x1;
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x1=x0;
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}
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}
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#endif /* __CELT_MIPSR1_H__ */
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