{"add.qh", "X,Y,Q", 0x7820000b, 0xfc20003f, WR_D|RD_S|RD_T|FP_D, 0, 0, MX },
{"adda.ob", "Y,Q", 0x78000037, 0xfc2007ff, RD_S|RD_T|FP_D, WR_MACC, SB1, MX },
{"adda.qh", "Y,Q", 0x78200037, 0xfc2007ff, RD_S|RD_T|FP_D, WR_MACC, 0, MX },
-{"adda.s", "V,T", 0x46000018, 0xffe007ff, RD_S|RD_T|FP_S, 0, EE },
+{"adda.s", "S,T", 0x46000018, 0xffe007ff, RD_S|RD_T|FP_S, 0, EE },
{"addi", "t,r,j", 0x20000000, 0xfc000000, WR_t|RD_s, 0, I1 },
{"addiu", "t,r,j", 0x24000000, 0xfc000000, WR_t|RD_s, 0, I1 },
{"addl.ob", "Y,Q", 0x78000437, 0xfc2007ff, RD_S|RD_T|FP_D, WR_MACC, SB1, MX },
{"mula.ob", "Y,Q", 0x78000033, 0xfc2007ff, RD_S|RD_T|FP_D, WR_MACC, SB1, MX },
{"mula.ob", "S,Q", 0x48000033, 0xfc2007ff, WR_CC|RD_S|RD_T, 0, N54 },
{"mula.qh", "Y,Q", 0x78200033, 0xfc2007ff, RD_S|RD_T|FP_D, WR_MACC, 0, MX },
-{"mula.s", "V,T", 0x4600001a, 0xffe007ff, RD_S|RD_T|FP_S, 0, EE },
+{"mula.s", "S,T", 0x4600001a, 0xffe007ff, RD_S|RD_T|FP_S, 0, EE },
{"mulhi", "d,s,t", 0x00000258, 0xfc0007ff, RD_s|RD_t|WR_HILO|WR_d, 0, N5 },
{"mulhiu", "d,s,t", 0x00000259, 0xfc0007ff, RD_s|RD_t|WR_HILO|WR_d, 0, N5 },
{"mull.ob", "Y,Q", 0x78000433, 0xfc2007ff, RD_S|RD_T|FP_D, WR_MACC, SB1, MX },
{"suba.qh", "Y,Q", 0x78200036, 0xfc2007ff, RD_S|RD_T|FP_D, WR_MACC, 0, MX },
{"subl.ob", "Y,Q", 0x78000436, 0xfc2007ff, RD_S|RD_T|FP_D, WR_MACC, SB1, MX },
{"subl.qh", "Y,Q", 0x78200436, 0xfc2007ff, RD_S|RD_T|FP_D, WR_MACC, 0, MX },
-{"suba.s", "V,T", 0x46000019, 0xffe007ff, RD_S|RD_T|FP_S, 0, EE },
+{"suba.s", "S,T", 0x46000019, 0xffe007ff, RD_S|RD_T|FP_S, 0, EE },
{"subu", "d,v,t", 0x00000023, 0xfc0007ff, WR_d|RD_s|RD_t, 0, I1 },
{"subu", "d,v,I", 0, (int) M_SUBU_I, INSN_MACRO, 0, I1 },
{"subu", "D,S,T", 0x45800001, 0xffe0003f, RD_S|RD_T|WR_D|FP_S, 0, IL2E },