103:                 
104:                 /*simple Q31 multiplication 
105:                  * no saturation
106:                  * no rounding
107:                  */
108:                 inline int32_t q_mul_q31_nosat(int32_t a, int32_t b){
109:                     int64_t result = (int64_t)a * b;
9D009B6C  8C820000   LW V0, 0(A0)
9D009B70  00021FC3   SRA V1, V0, 31
9D009B74  000537C3   SRA A2, A1, 31
9D009B78  00C20018   MULT 0, A2, V0
9D009B7C  70650000   MADD 0, V1, A1
9D009B80  00003012   MFLO A2
9D009B84  00450019   MULTU 0, V0, A1
9D009B88  00001012   MFLO V0
9D009B8C  00001810   MFHI V1
9D009B90  00C31821   ADDU V1, A2, V1
9D009BA0  8C860008   LW A2, 8(A0)
9D009BA4  00063FC3   SRA A3, A2, 31
9D009BA8  8C820010   LW V0, 16(A0)
9D009BAC  00022FC3   SRA A1, V0, 31
9D009BB0  00A60018   MULT 0, A1, A2
9D009BB4  70E20000   MADD 0, A3, V0
9D009BB8  00002812   MFLO A1
9D009BBC  00C20019   MULTU 0, A2, V0
9D009BC0  00003012   MFLO A2
9D009BC4  00003810   MFHI A3
9D009BC8  00A73821   ADDU A3, A1, A3
9D009BF0  8C820000   LW V0, 0(A0)
9D009BF4  00021FC3   SRA V1, V0, 31
9D009BF8  000537C3   SRA A2, A1, 31
9D009BFC  00C20018   MULT 0, A2, V0
9D009C00  70650000   MADD 0, V1, A1
9D009C04  00003012   MFLO A2
9D009C08  00450019   MULTU 0, V0, A1
9D009C0C  00001012   MFLO V0
9D009C10  00001810   MFHI V1
9D009C14  00C31821   ADDU V1, A2, V1
9D009C24  8C860008   LW A2, 8(A0)
9D009C28  00063FC3   SRA A3, A2, 31
9D009C2C  8C820010   LW V0, 16(A0)
9D009C30  00022FC3   SRA A1, V0, 31
9D009C34  00A60018   MULT 0, A1, A2
9D009C38  70E20000   MADD 0, A3, V0
9D009C3C  00002812   MFLO A1
9D009C40  00C20019   MULTU 0, A2, V0
9D009C44  00003012   MFLO A2
9D009C48  00003810   MFHI A3
9D009C4C  00A73821   ADDU A3, A1, A3
9D009C84  000617C3   SRA V0, A2, 31
9D009C88  70461002   MUL V0, V0, A2
9D009C8C  00021040   SLL V0, V0, 1
9D009C90  00C60019   MULTU 0, A2, A2
9D009C94  00003012   MFLO A2
9D009C98  00003810   MFHI A3
9D009C9C  00473821   ADDU A3, V0, A3
9D009D28  00041FC3   SRA V1, A0, 31
9D009D2C  000517C3   SRA V0, A1, 31
9D009D30  00440018   MULT 0, V0, A0
9D009D34  70650000   MADD 0, V1, A1
9D009D38  00001012   MFLO V0
9D009D3C  00850019   MULTU 0, A0, A1
9D009D40  00002012   MFLO A0
9D009D44  00002810   MFHI A1
9D009D48  00452821   ADDU A1, V0, A1
110:                     result = result >> 31;
9D009B94  00032840   SLL A1, V1, 1
9D009B98  00021FC2   SRL V1, V0, 31
9D009B9C  00A31825   OR V1, A1, V1
9D009BD4  00072840   SLL A1, A3, 1
9D009BD8  000637C2   SRL A2, A2, 31
9D009BDC  00A63025   OR A2, A1, A2
9D009C18  00032840   SLL A1, V1, 1
9D009C1C  00021FC2   SRL V1, V0, 31
9D009C20  00A31825   OR V1, A1, V1
9D009C58  00072840   SLL A1, A3, 1
9D009C5C  000637C2   SRL A2, A2, 31
9D009C60  00A63025   OR A2, A1, A2
9D009CA0  00072840   SLL A1, A3, 1
9D009CA4  000637C2   SRL A2, A2, 31
9D009D4C  00051040   SLL V0, A1, 1
9D009D50  000427C2   SRL A0, A0, 31
111:                     return (uint32_t) result;
112:                 }
9D009D54  03E00008   JR RA
9D009D58  00441025   OR V0, V0, A0
113: