From 7d8c17b5f62bc14d5f7c7c792630b23240b47eec Mon Sep 17 00:00:00 2001 From: Mans Rullgard Date: Fri, 27 May 2011 22:52:49 +0100 Subject: ARM: aacdec: fix constraints on inline asm This adds output operands for modified memory allowing the volatile qualifiers to be dropped. Signed-off-by: Mans Rullgard --- libavcodec/arm/aac.h | 153 ++++++++++++++++++++++++++------------------------- 1 file changed, 78 insertions(+), 75 deletions(-) (limited to 'libavcodec/arm') diff --git a/libavcodec/arm/aac.h b/libavcodec/arm/aac.h index 8355e9c193..6d5df4933a 100644 --- a/libavcodec/arm/aac.h +++ b/libavcodec/arm/aac.h @@ -30,17 +30,17 @@ static inline float *VMUL2(float *dst, const float *v, unsigned idx, const float *scale) { unsigned v0, v1; - __asm__ volatile ("ubfx %0, %4, #0, #4 \n\t" - "ubfx %1, %4, #4, #4 \n\t" - "ldr %0, [%3, %0, lsl #2] \n\t" - "ldr %1, [%3, %1, lsl #2] \n\t" - "vld1.32 {d1[]}, [%5,:32] \n\t" - "vmov d0, %0, %1 \n\t" - "vmul.f32 d0, d0, d1 \n\t" - "vst1.32 {d0}, [%2,:64]! \n\t" - : "=&r"(v0), "=&r"(v1), "+r"(dst) - : "r"(v), "r"(idx), "r"(scale) - : "d0", "d1"); + __asm__ ("ubfx %0, %6, #0, #4 \n\t" + "ubfx %1, %6, #4, #4 \n\t" + "ldr %0, [%5, %0, lsl #2] \n\t" + "ldr %1, [%5, %1, lsl #2] \n\t" + "vld1.32 {d1[]}, [%7,:32] \n\t" + "vmov d0, %0, %1 \n\t" + "vmul.f32 d0, d0, d1 \n\t" + "vst1.32 {d0}, [%2,:64]! \n\t" + : "=&r"(v0), "=&r"(v1), "+r"(dst), "=m"(dst[0]), "=m"(dst[1]) + : "r"(v), "r"(idx), "r"(scale) + : "d0", "d1"); return dst; } @@ -49,22 +49,23 @@ static inline float *VMUL4(float *dst, const float *v, unsigned idx, const float *scale) { unsigned v0, v1, v2, v3; - __asm__ volatile ("ubfx %0, %6, #0, #2 \n\t" - "ubfx %1, %6, #2, #2 \n\t" - "ldr %0, [%5, %0, lsl #2] \n\t" - "ubfx %2, %6, #4, #2 \n\t" - "ldr %1, [%5, %1, lsl #2] \n\t" - "ubfx %3, %6, #6, #2 \n\t" - "ldr %2, [%5, %2, lsl #2] \n\t" - "vmov d0, %0, %1 \n\t" - "ldr %3, [%5, %3, lsl #2] \n\t" - "vld1.32 {d2[],d3[]},[%7,:32] \n\t" - "vmov d1, %2, %3 \n\t" - "vmul.f32 q0, q0, q1 \n\t" - "vst1.32 {q0}, [%4,:128]! \n\t" - : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst) - : "r"(v), "r"(idx), "r"(scale) - : "d0", "d1", "d2", "d3"); + __asm__ ("ubfx %0, %10, #0, #2 \n\t" + "ubfx %1, %10, #2, #2 \n\t" + "ldr %0, [%9, %0, lsl #2] \n\t" + "ubfx %2, %10, #4, #2 \n\t" + "ldr %1, [%9, %1, lsl #2] \n\t" + "ubfx %3, %10, #6, #2 \n\t" + "ldr %2, [%9, %2, lsl #2] \n\t" + "vmov d0, %0, %1 \n\t" + "ldr %3, [%9, %3, lsl #2] \n\t" + "vld1.32 {d2[],d3[]},[%11,:32] \n\t" + "vmov d1, %2, %3 \n\t" + "vmul.f32 q0, q0, q1 \n\t" + "vst1.32 {q0}, [%4,:128]! \n\t" + : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst), + "=m"(dst[0]), "=m"(dst[1]), "=m"(dst[2]), "=m"(dst[3]) + : "r"(v), "r"(idx), "r"(scale) + : "d0", "d1", "d2", "d3"); return dst; } @@ -73,22 +74,23 @@ static inline float *VMUL2S(float *dst, const float *v, unsigned idx, unsigned sign, const float *scale) { unsigned v0, v1, v2, v3; - __asm__ volatile ("ubfx %0, %6, #0, #4 \n\t" - "ubfx %1, %6, #4, #4 \n\t" - "ldr %0, [%5, %0, lsl #2] \n\t" - "lsl %2, %8, #30 \n\t" - "ldr %1, [%5, %1, lsl #2] \n\t" - "lsl %3, %8, #31 \n\t" - "vmov d0, %0, %1 \n\t" - "bic %2, %2, #1<<30 \n\t" - "vld1.32 {d1[]}, [%7,:32] \n\t" - "vmov d2, %2, %3 \n\t" - "veor d0, d0, d2 \n\t" - "vmul.f32 d0, d0, d1 \n\t" - "vst1.32 {d0}, [%4,:64]! \n\t" - : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst) - : "r"(v), "r"(idx), "r"(scale), "r"(sign) - : "d0", "d1", "d2"); + __asm__ ("ubfx %0, %8, #0, #4 \n\t" + "ubfx %1, %8, #4, #4 \n\t" + "ldr %0, [%7, %0, lsl #2] \n\t" + "lsl %2, %10, #30 \n\t" + "ldr %1, [%7, %1, lsl #2] \n\t" + "lsl %3, %10, #31 \n\t" + "vmov d0, %0, %1 \n\t" + "bic %2, %2, #1<<30 \n\t" + "vld1.32 {d1[]}, [%9,:32] \n\t" + "vmov d2, %2, %3 \n\t" + "veor d0, d0, d2 \n\t" + "vmul.f32 d0, d0, d1 \n\t" + "vst1.32 {d0}, [%4,:64]! \n\t" + : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst), + "=m"(dst[0]), "=m"(dst[1]) + : "r"(v), "r"(idx), "r"(scale), "r"(sign) + : "d0", "d1", "d2"); return dst; } @@ -97,38 +99,39 @@ static inline float *VMUL4S(float *dst, const float *v, unsigned idx, unsigned sign, const float *scale) { unsigned v0, v1, v2, v3, nz; - __asm__ volatile ("vld1.32 {d2[],d3[]},[%9,:32] \n\t" - "ubfx %0, %8, #0, #2 \n\t" - "ubfx %1, %8, #2, #2 \n\t" - "ldr %0, [%7, %0, lsl #2] \n\t" - "ubfx %2, %8, #4, #2 \n\t" - "ldr %1, [%7, %1, lsl #2] \n\t" - "ubfx %3, %8, #6, #2 \n\t" - "ldr %2, [%7, %2, lsl #2] \n\t" - "vmov d0, %0, %1 \n\t" - "ldr %3, [%7, %3, lsl #2] \n\t" - "lsr %6, %8, #12 \n\t" - "rbit %6, %6 \n\t" - "vmov d1, %2, %3 \n\t" - "lsls %6, %6, #1 \n\t" - "and %0, %5, #1<<31 \n\t" - "lslcs %5, %5, #1 \n\t" - "lsls %6, %6, #1 \n\t" - "and %1, %5, #1<<31 \n\t" - "lslcs %5, %5, #1 \n\t" - "lsls %6, %6, #1 \n\t" - "and %2, %5, #1<<31 \n\t" - "lslcs %5, %5, #1 \n\t" - "vmov d4, %0, %1 \n\t" - "and %3, %5, #1<<31 \n\t" - "vmov d5, %2, %3 \n\t" - "veor q0, q0, q2 \n\t" - "vmul.f32 q0, q0, q1 \n\t" - "vst1.32 {q0}, [%4,:128]! \n\t" - : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst), - "+r"(sign), "=r"(nz) - : "r"(v), "r"(idx), "r"(scale) - : "cc", "d0", "d1", "d2", "d3", "d4", "d5"); + __asm__ ("vld1.32 {d2[],d3[]},[%13,:32] \n\t" + "ubfx %0, %12, #0, #2 \n\t" + "ubfx %1, %12, #2, #2 \n\t" + "ldr %0, [%11,%0, lsl #2] \n\t" + "ubfx %2, %12, #4, #2 \n\t" + "ldr %1, [%11,%1, lsl #2] \n\t" + "ubfx %3, %12, #6, #2 \n\t" + "ldr %2, [%11,%2, lsl #2] \n\t" + "vmov d0, %0, %1 \n\t" + "ldr %3, [%11,%3, lsl #2] \n\t" + "lsr %6, %12, #12 \n\t" + "rbit %6, %6 \n\t" + "vmov d1, %2, %3 \n\t" + "lsls %6, %6, #1 \n\t" + "and %0, %5, #1<<31 \n\t" + "lslcs %5, %5, #1 \n\t" + "lsls %6, %6, #1 \n\t" + "and %1, %5, #1<<31 \n\t" + "lslcs %5, %5, #1 \n\t" + "lsls %6, %6, #1 \n\t" + "and %2, %5, #1<<31 \n\t" + "lslcs %5, %5, #1 \n\t" + "vmov d4, %0, %1 \n\t" + "and %3, %5, #1<<31 \n\t" + "vmov d5, %2, %3 \n\t" + "veor q0, q0, q2 \n\t" + "vmul.f32 q0, q0, q1 \n\t" + "vst1.32 {q0}, [%4,:128]! \n\t" + : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst), + "+r"(sign), "=r"(nz), + "=m"(dst[0]), "=m"(dst[1]), "=m"(dst[2]), "=m"(dst[3]) + : "r"(v), "r"(idx), "r"(scale) + : "cc", "d0", "d1", "d2", "d3", "d4", "d5"); return dst; } -- cgit v1.2.3