diff options
Diffstat (limited to 'opcodes/s390-opc.c')
| -rw-r--r-- | opcodes/s390-opc.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/opcodes/s390-opc.c b/opcodes/s390-opc.c index aa2e5a3..57b7f53 100644 --- a/opcodes/s390-opc.c +++ b/opcodes/s390-opc.c @@ -133,7 +133,10 @@ const struct s390_operand s390_operands[] = #define U32_16 41 /* 32 bit unsigned value starting at 16 */ { 32, 16, 0 }, #define M_16 42 /* 4 bit optional mask starting at 16 */ - { 4, 16, S390_OPERAND_OPTIONAL } + { 4, 16, S390_OPERAND_OPTIONAL }, +#define RO_28 43 /* optional GPR starting at position 28 */ + { 4, 28, (S390_OPERAND_GPR | S390_OPERAND_OPTIONAL) } + }; @@ -202,6 +205,9 @@ const struct s390_operand s390_operands[] = #define INSTR_RRE_RA 4, { R_24,A_28,0,0,0,0 } /* e.g. ear */ #define INSTR_RRE_RF 4, { R_24,F_28,0,0,0,0 } /* e.g. cefbr */ #define INSTR_RRE_RR 4, { R_24,R_28,0,0,0,0 } /* e.g. lura */ +/* Actually efpc and sfpc do not take an optional operand. + This is just a workaround for existing code e.g. glibc. */ +#define INSTR_RRE_RR_OPT 4, { R_24,RO_28,0,0,0,0 } /* efpc, sfpc */ #define INSTR_RRF_F0FF 4, { F_16,F_24,F_28,0,0,0 } /* e.g. madbr */ #define INSTR_RRF_FUFF 4, { F_24,F_16,F_28,U4_20,0,0 } /* e.g. didbr */ #define INSTR_RRF_RURR 4, { R_24,R_28,R_16,U4_20,0,0 } /* e.g. .insn */ @@ -275,6 +281,7 @@ const struct s390_operand s390_operands[] = #define MASK_RRE_RA { 0xff, 0xff, 0xff, 0x00, 0x00, 0x00 } #define MASK_RRE_RF { 0xff, 0xff, 0xff, 0x00, 0x00, 0x00 } #define MASK_RRE_RR { 0xff, 0xff, 0xff, 0x00, 0x00, 0x00 } +#define MASK_RRE_RR_OPT { 0xff, 0xff, 0xff, 0x00, 0x00, 0x00 } #define MASK_RRF_F0FF { 0xff, 0xff, 0x0f, 0x00, 0x00, 0x00 } #define MASK_RRF_FUFF { 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 } #define MASK_RRF_RURR { 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 } |