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tcg: Transition flat op_defs array to a target callback

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This will allow the target to tailor the constraints to the
auto-detected ISA extensions.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2016-11-18 09:31:40 +01:00
parent 82790a8709
commit f69d277ece
11 changed files with 136 additions and 77 deletions
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14
tcg/i386/tcg-target.inc.c
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@ -2330,6 +2330,18 @@ static const TCGTargetOpDef x86_op_defs[] = {
{ -1 },
};
static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode op)
{
int i, n = ARRAY_SIZE(x86_op_defs);
for (i = 0; i < n; ++i) {
if (x86_op_defs[i].op == op) {
return &x86_op_defs[i];
}
}
return NULL;
}
static int tcg_target_callee_save_regs[] = {
#if TCG_TARGET_REG_BITS == 64
TCG_REG_RBP,
@ -2471,8 +2483,6 @@ static void tcg_target_init(TCGContext *s)
tcg_regset_clear(s->reserved_regs);
tcg_regset_set_reg(s->reserved_regs, TCG_REG_CALL_STACK);
tcg_add_target_add_op_defs(x86_op_defs);
}
typedef struct {