ref: 4959ae65d686d2ad095cff104428040f65bb05fa
dir: /src/cmd/as/target/x80/proc.h/
enum args {
AREG_AF = AMAX,
AREG_A,
AREG_F,
AREG_BC,
AREG_B,
AREG_C,
AREG_HL,
AREG_H,
AREG_L,
AREG_DE,
AREG_D,
AREG_E,
AREG_IX,
AREG_IXL,
AREG_IXH,
AREG_IY,
AREG_IYL,
AREG_IYH,
AREG_R,
AREG_I,
AREG_AF_,
AREG_SP,
AREG_NZ,
AREG_Z,
AREG_NC,
AREG_PO,
AREG_PE,
AREG_P,
AREG_M,
AREG_RCLASS, /* register class for B, C, D, E, H, L and A */
AREG_PCLASS, /* register class for B, C, D, E, IXH, IXL and A */
AREG_QCLASS, /* register class for B, C, D, E, IYH, IYL and A */
AREG_DDCLASS, /* register class for BC, DE, HL and SP */
AREG_QQCLASS, /* register class for BC, DE, HL and AF */
AREG_PPCLASS, /* register class for BC, DE, IX and SP */
AREG_RRCLASS, /* register class for BC, DE, IY and SP */
AREG_SSCLASS, /* flag class for C, NC, Z, NZ */
AREG_CCCLASS, /* flag class for NZ, Z, NC, C, PO, PE, P, M */
AINDEX_IX, /* (IX+d) */
AINDEX_IY, /* (IX+d) */
AINDER_HL, /* (HL) */
AINDER_DE, /* (DE) */
AINDER_BC, /* (BC) */
AINDER_SP, /* (SP) */
AINDER_C, /* (C) */
AINDER_IX, /* (IX) */
AINDER_IY, /* (IY) */
AZERO, /* a literal 0 */
ARST, /* 0h, 08h, 10h, 18h, 20h, 28h, 30h, 38h */
};
enum class {
RCLASS = 1 << 0,
PCLASS = 1 << 1,
QCLASS = 1 << 2,
DDCLASS = 1 << 3,
QQCLASS = 1 << 4,
PPCLASS = 1 << 5,
RRCLASS = 1 << 6,
CCCLASS = 1 << 7,
SSCLASS = 1 << 8,
};