diff options
Diffstat (limited to 'common_audio/signal_processing/complex_fft.c')
| -rw-r--r-- | common_audio/signal_processing/complex_fft.c | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/common_audio/signal_processing/complex_fft.c b/common_audio/signal_processing/complex_fft.c index a026b70b..c8230647 100644 --- a/common_audio/signal_processing/complex_fft.c +++ b/common_audio/signal_processing/complex_fft.c @@ -105,7 +105,6 @@ int WebRtcSpl_ComplexFFT(int16_t frfi[], int stages, int mode) #ifdef WEBRTC_ARCH_ARM_V7 int32_t wri = 0; - int32_t frfi_r = 0; __asm __volatile("pkhbt %0, %1, %2, lsl #16" : "=r"(wri) : "r"((int32_t)wr), "r"((int32_t)wi)); #endif @@ -115,19 +114,19 @@ int WebRtcSpl_ComplexFFT(int16_t frfi[], int stages, int mode) j = i + l; #ifdef WEBRTC_ARCH_ARM_V7 - __asm __volatile( - "pkhbt %[frfi_r], %[frfi_even], %[frfi_odd], lsl #16\n\t" - "smlsd %[tr32], %[wri], %[frfi_r], %[cfftrnd]\n\t" - :[frfi_r]"+r"(frfi_r), - [tr32]"=r"(tr32) - :[frfi_even]"r"((int32_t)frfi[2*j]), - [frfi_odd]"r"((int32_t)frfi[2*j +1]), - [wri]"r"(wri), - [cfftrnd]"r"(CFFTRND) - ); - __asm __volatile("smladx %0, %1, %2, %3\n\t" : "=r"(ti32) : - "r"(wri), "r"(frfi_r), "r"(CFFTRND)); - + register int32_t frfi_r; + __asm __volatile( + "pkhbt %[frfi_r], %[frfi_even], %[frfi_odd]," + " lsl #16\n\t" + "smlsd %[tr32], %[wri], %[frfi_r], %[cfftrnd]\n\t" + "smladx %[ti32], %[wri], %[frfi_r], %[cfftrnd]\n\t" + :[frfi_r]"=&r"(frfi_r), + [tr32]"=&r"(tr32), + [ti32]"=r"(ti32) + :[frfi_even]"r"((int32_t)frfi[2*j]), + [frfi_odd]"r"((int32_t)frfi[2*j +1]), + [wri]"r"(wri), + [cfftrnd]"r"(CFFTRND)); #else tr32 = WEBRTC_SPL_MUL_16_16(wr, frfi[2 * j]) - WEBRTC_SPL_MUL_16_16(wi, frfi[2 * j + 1]) + CFFTRND; @@ -252,7 +251,6 @@ int WebRtcSpl_ComplexIFFT(int16_t frfi[], int stages, int mode) #ifdef WEBRTC_ARCH_ARM_V7 int32_t wri = 0; - int32_t frfi_r = 0; __asm __volatile("pkhbt %0, %1, %2, lsl #16" : "=r"(wri) : "r"((int32_t)wr), "r"((int32_t)wi)); #endif @@ -262,12 +260,13 @@ int WebRtcSpl_ComplexIFFT(int16_t frfi[], int stages, int mode) j = i + l; #ifdef WEBRTC_ARCH_ARM_V7 + register int32_t frfi_r; __asm __volatile( "pkhbt %[frfi_r], %[frfi_even], %[frfi_odd], lsl #16\n\t" "smlsd %[tr32], %[wri], %[frfi_r], %[cifftrnd]\n\t" "smladx %[ti32], %[wri], %[frfi_r], %[cifftrnd]\n\t" - :[frfi_r]"+r"(frfi_r), - [tr32]"=r"(tr32), + :[frfi_r]"=&r"(frfi_r), + [tr32]"=&r"(tr32), [ti32]"=r"(ti32) :[frfi_even]"r"((int32_t)frfi[2*j]), [frfi_odd]"r"((int32_t)frfi[2*j +1]), |