tcg: Remove tcg_regset_set32

It's not even clear what the interface REG and VAL32 were supposed to mean.
All uses had REG = 0 and VAL32 was the bitset assigned to the destination.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2017-09-11 12:44:30 -07:00
parent 07ddf036fa
commit f46934df66
8 changed files with 88 additions and 101 deletions

View file

@ -264,13 +264,13 @@ static const char *target_parse_constraint(TCGArgConstraint *ct,
case 'r':
ct->ct |= TCG_CT_REG;
tcg_regset_set32(ct->u.regs, 0, (1 << TCG_TARGET_NB_REGS) - 1);
ct->u.regs = 0xffff;
break;
/* qemu_ld address */
case 'l':
ct->ct |= TCG_CT_REG;
tcg_regset_set32(ct->u.regs, 0, (1 << TCG_TARGET_NB_REGS) - 1);
ct->u.regs = 0xffff;
#ifdef CONFIG_SOFTMMU
/* r0-r2,lr will be overwritten when reading the tlb entry,
so don't use these. */
@ -284,7 +284,7 @@ static const char *target_parse_constraint(TCGArgConstraint *ct,
/* qemu_st address & data */
case 's':
ct->ct |= TCG_CT_REG;
tcg_regset_set32(ct->u.regs, 0, (1 << TCG_TARGET_NB_REGS) - 1);
ct->u.regs = 0xffff;
/* r0-r2 will be overwritten when reading the tlb entry (softmmu only)
and r0-r1 doing the byte swapping, so don't use these. */
tcg_regset_reset_reg(ct->u.regs, TCG_REG_R0);
@ -2164,14 +2164,15 @@ static void tcg_target_init(TCGContext *s)
}
}
tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffff);
tcg_regset_set32(tcg_target_call_clobber_regs, 0,
(1 << TCG_REG_R0) |
(1 << TCG_REG_R1) |
(1 << TCG_REG_R2) |
(1 << TCG_REG_R3) |
(1 << TCG_REG_R12) |
(1 << TCG_REG_R14));
tcg_target_available_regs[TCG_TYPE_I32] = 0xffff;
tcg_target_call_clobber_regs = 0;
tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R0);
tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R1);
tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R2);
tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R3);
tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R12);
tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R14);
s->reserved_regs = 0;
tcg_regset_set_reg(s->reserved_regs, TCG_REG_CALL_STACK);