diff options
Diffstat (limited to 'tcg/s390/tcg-target.c.inc')
| -rw-r--r-- | tcg/s390/tcg-target.c.inc | 53 |
1 files changed, 13 insertions, 40 deletions
diff --git a/tcg/s390/tcg-target.c.inc b/tcg/s390/tcg-target.c.inc index 8517e55232..3fec7fec5f 100644 --- a/tcg/s390/tcg-target.c.inc +++ b/tcg/s390/tcg-target.c.inc @@ -42,6 +42,19 @@ #define TCG_CT_CONST_S33 0x400 #define TCG_CT_CONST_ZERO 0x800 +#define ALL_GENERAL_REGS MAKE_64BIT_MASK(0, 16) +/* + * For softmmu, we need to avoid conflicts with the first 3 + * argument registers to perform the tlb lookup, and to call + * the helper function. + */ +#ifdef CONFIG_SOFTMMU +#define SOFTMMU_RESERVE_REGS MAKE_64BIT_MASK(TCG_REG_R2, 3) +#else +#define SOFTMMU_RESERVE_REGS 0 +#endif + + /* Several places within the instruction set 0 means "no register" rather than TCG_REG_R0. */ #define TCG_REG_NONE 0 @@ -403,46 +416,6 @@ static bool patch_reloc(tcg_insn_unit *src_rw, int type, return false; } -/* parse target specific constraints */ -static const char *target_parse_constraint(TCGArgConstraint *ct, - const char *ct_str, TCGType type) -{ - switch (*ct_str++) { - case 'r': /* all registers */ - ct->regs = 0xffff; - break; - case 'L': /* qemu_ld/st constraint */ - ct->regs = 0xffff; - tcg_regset_reset_reg(ct->regs, TCG_REG_R2); - tcg_regset_reset_reg(ct->regs, TCG_REG_R3); - tcg_regset_reset_reg(ct->regs, TCG_REG_R4); - break; - case 'a': /* force R2 for division */ - ct->regs = 0; - tcg_regset_set_reg(ct->regs, TCG_REG_R2); - break; - case 'b': /* force R3 for division */ - ct->regs = 0; - tcg_regset_set_reg(ct->regs, TCG_REG_R3); - break; - case 'A': - ct->ct |= TCG_CT_CONST_S33; - break; - case 'I': - ct->ct |= TCG_CT_CONST_S16; - break; - case 'J': - ct->ct |= TCG_CT_CONST_S32; - break; - case 'Z': - ct->ct |= TCG_CT_CONST_ZERO; - break; - default: - return NULL; - } - return ct_str; -} - /* Test if a constant matches the constraint. */ static int tcg_target_const_match(tcg_target_long val, TCGType type, const TCGArgConstraint *arg_ct) |