tcg: Remove TCG_CT_REG

This wasn't actually used for anything, really.  All variable
operands must accept registers, and which are indicated by the
set in TCGArgConstraint.regs.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2020-09-03 15:56:24 -07:00
parent 66792f90f1
commit 74a117906b
11 changed files with 4 additions and 49 deletions

View file

@ -325,15 +325,12 @@ static const char *target_parse_constraint(TCGArgConstraint *ct,
{
switch (*ct_str++) {
case 'r':
ct->ct |= TCG_CT_REG;
ct->regs = 0xffffffff;
break;
case 'R':
ct->ct |= TCG_CT_REG;
ct->regs = ALL_64;
break;
case 'A': /* qemu_ld/st address constraint */
ct->ct |= TCG_CT_REG;
ct->regs = TARGET_LONG_BITS == 64 ? ALL_64 : 0xffffffff;
reserve_helpers:
tcg_regset_reset_reg(ct->regs, TCG_REG_O0);
@ -341,11 +338,9 @@ static const char *target_parse_constraint(TCGArgConstraint *ct,
tcg_regset_reset_reg(ct->regs, TCG_REG_O2);
break;
case 's': /* qemu_st data 32-bit constraint */
ct->ct |= TCG_CT_REG;
ct->regs = 0xffffffff;
goto reserve_helpers;
case 'S': /* qemu_st data 64-bit constraint */
ct->ct |= TCG_CT_REG;
ct->regs = ALL_64;
goto reserve_helpers;
case 'I':