tcg: Drop union from TCGArgConstraint

The union is unused; let "regs" appear in the main structure
without the "u.regs" wrapping.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2020-09-03 15:19:03 -07:00
parent e2e7168a21
commit 9be0d08019
11 changed files with 91 additions and 93 deletions

View file

@ -326,27 +326,27 @@ static const char *target_parse_constraint(TCGArgConstraint *ct,
switch (*ct_str++) {
case 'r':
ct->ct |= TCG_CT_REG;
ct->u.regs = 0xffffffff;
ct->regs = 0xffffffff;
break;
case 'R':
ct->ct |= TCG_CT_REG;
ct->u.regs = ALL_64;
ct->regs = ALL_64;
break;
case 'A': /* qemu_ld/st address constraint */
ct->ct |= TCG_CT_REG;
ct->u.regs = TARGET_LONG_BITS == 64 ? ALL_64 : 0xffffffff;
ct->regs = TARGET_LONG_BITS == 64 ? ALL_64 : 0xffffffff;
reserve_helpers:
tcg_regset_reset_reg(ct->u.regs, TCG_REG_O0);
tcg_regset_reset_reg(ct->u.regs, TCG_REG_O1);
tcg_regset_reset_reg(ct->u.regs, TCG_REG_O2);
tcg_regset_reset_reg(ct->regs, TCG_REG_O0);
tcg_regset_reset_reg(ct->regs, TCG_REG_O1);
tcg_regset_reset_reg(ct->regs, TCG_REG_O2);
break;
case 's': /* qemu_st data 32-bit constraint */
ct->ct |= TCG_CT_REG;
ct->u.regs = 0xffffffff;
ct->regs = 0xffffffff;
goto reserve_helpers;
case 'S': /* qemu_st data 64-bit constraint */
ct->ct |= TCG_CT_REG;
ct->u.regs = ALL_64;
ct->regs = ALL_64;
goto reserve_helpers;
case 'I':
ct->ct |= TCG_CT_CONST_S11;