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ffmpeg.wasm-core
Commit a99de50e authored by James Cowgill's avatar James Cowgill Committed by Michael Niedermayer
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mips/aacdec: remove uses of mips32r2 specific ext instructions 

Removing these removes the dependency of this code on mips32r2 which would
allow it to be used on processors which have FPU instructions, but not r2
instructions (like the mips64el debian port for instance).
Signed-off-by: 's avatarJames Cowgill <james410@cowgill.org.uk>
Reviewed-by: 's avatarNedeljko Babic <Nedeljko.Babic@imgtec.com>
Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent 6dbbb981
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Showing with 25 additions and 24 deletions
libavcodec/mips/aacdec_mips.h
View file @ a99de50e
......@@ -68,10 +68,10 @@ static inline float *VMUL2_mips(float *dst, const float *v, unsigned idx,
float *ret;
__asm__ volatile(
"andi %[temp3], %[idx], 15 \n\t"
"ext %[temp4], %[idx], 4, 4 \n\t"
"andi %[temp3], %[idx], 0x0F \n\t"
"andi %[temp4], %[idx], 0xF0 \n\t"
"sll %[temp3], %[temp3], 2 \n\t"
"sll %[temp4], %[temp4], 2 \n\t"
"srl %[temp4], %[temp4], 2 \n\t"
"lwc1 %[temp2], 0(%[scale]) \n\t"
"lwxc1 %[temp0], %[temp3](%[v]) \n\t"
"lwxc1 %[temp1], %[temp4](%[v]) \n\t"
......@@ -99,14 +99,13 @@ static inline float *VMUL4_mips(float *dst, const float *v, unsigned idx,
float *ret;
__asm__ volatile(
"andi %[temp0], %[idx], 3 \n\t"
"ext %[temp1], %[idx], 2, 2 \n\t"
"ext %[temp2], %[idx], 4, 2 \n\t"
"ext %[temp3], %[idx], 6, 2 \n\t"
"andi %[temp0], %[idx], 0x03 \n\t"
"andi %[temp1], %[idx], 0x0C \n\t"
"andi %[temp2], %[idx], 0x30 \n\t"
"andi %[temp3], %[idx], 0xC0 \n\t"
"sll %[temp0], %[temp0], 2 \n\t"
"sll %[temp1], %[temp1], 2 \n\t"
"sll %[temp2], %[temp2], 2 \n\t"
"sll %[temp3], %[temp3], 2 \n\t"
"srl %[temp2], %[temp2], 2 \n\t"
"srl %[temp3], %[temp3], 4 \n\t"
"lwc1 %[temp4], 0(%[scale]) \n\t"
"lwxc1 %[temp5], %[temp0](%[v]) \n\t"
"lwxc1 %[temp6], %[temp1](%[v]) \n\t"
......@@ -142,14 +141,14 @@ static inline float *VMUL2S_mips(float *dst, const float *v, unsigned idx,
float *ret;
__asm__ volatile(
"andi %[temp0], %[idx], 15 \n\t"
"ext %[temp1], %[idx], 4, 4 \n\t"
"andi %[temp0], %[idx], 0x0F \n\t"
"andi %[temp1], %[idx], 0xF0 \n\t"
"lw %[temp4], 0(%[scale]) \n\t"
"srl %[temp2], %[sign], 1 \n\t"
"sll %[temp3], %[sign], 31 \n\t"
"sll %[temp2], %[temp2], 31 \n\t"
"sll %[temp0], %[temp0], 2 \n\t"
"sll %[temp1], %[temp1], 2 \n\t"
"srl %[temp1], %[temp1], 2 \n\t"
"lwxc1 %[temp8], %[temp0](%[v]) \n\t"
"lwxc1 %[temp9], %[temp1](%[v]) \n\t"
"xor %[temp5], %[temp4], %[temp2] \n\t"
......@@ -185,22 +184,24 @@ static inline float *VMUL4S_mips(float *dst, const float *v, unsigned idx,
__asm__ volatile(
"lw %[temp0], 0(%[scale]) \n\t"
"and %[temp1], %[idx], 3 \n\t"
"ext %[temp2], %[idx], 2, 2 \n\t"
"ext %[temp3], %[idx], 4, 2 \n\t"
"ext %[temp4], %[idx], 6, 2 \n\t"
"sll %[temp1], %[temp1], 2 \n\t"
"sll %[temp2], %[temp2], 2 \n\t"
"sll %[temp3], %[temp3], 2 \n\t"
"sll %[temp4], %[temp4], 2 \n\t"
"andi %[temp1], %[idx], 0x03 \n\t"
"andi %[temp2], %[idx], 0x0C \n\t"
"andi %[temp3], %[idx], 0x30 \n\t"
"andi %[temp4], %[idx], 0xC0 \n\t"
"sll %[temp1], %[temp1], 2 \n\t"
"srl %[temp3], %[temp3], 2 \n\t"
"srl %[temp4], %[temp4], 4 \n\t"
"lwxc1 %[temp10], %[temp1](%[v]) \n\t"
"lwxc1 %[temp11], %[temp2](%[v]) \n\t"
"lwxc1 %[temp12], %[temp3](%[v]) \n\t"
"lwxc1 %[temp13], %[temp4](%[v]) \n\t"
"and %[temp1], %[sign], %[mask] \n\t"
"ext %[temp2], %[idx], 12, 1 \n\t"
"ext %[temp3], %[idx], 13, 1 \n\t"
"ext %[temp4], %[idx], 14, 1 \n\t"
"srl %[temp2], %[idx], 12 \n\t"
"srl %[temp3], %[idx], 13 \n\t"
"srl %[temp4], %[idx], 14 \n\t"
"andi %[temp2], %[temp2], 1 \n\t"
"andi %[temp3], %[temp3], 1 \n\t"
"andi %[temp4], %[temp4], 1 \n\t"
"sllv %[sign], %[sign], %[temp2] \n\t"
"xor %[temp1], %[temp0], %[temp1] \n\t"
"and %[temp2], %[sign], %[mask] \n\t"
......
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