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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/aarch64/tcg-target.inc.c
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@ -1812,6 +1812,18 @@ static const TCGTargetOpDef aarch64_op_defs[] = {
{ -1 },
};
static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode op)
{
int i, n = ARRAY_SIZE(aarch64_op_defs);
for (i = 0; i < n; ++i) {
if (aarch64_op_defs[i].op == op) {
return &aarch64_op_defs[i];
}
}
return NULL;
}
static void tcg_target_init(TCGContext *s)
{
tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffffffff);
@ -1834,8 +1846,6 @@ static void tcg_target_init(TCGContext *s)
tcg_regset_set_reg(s->reserved_regs, TCG_REG_FP);
tcg_regset_set_reg(s->reserved_regs, TCG_REG_TMP);
tcg_regset_set_reg(s->reserved_regs, TCG_REG_X18); /* platform register */
tcg_add_target_add_op_defs(aarch64_op_defs);
}
/* Saving pairs: (X19, X20) .. (X27, X28), (X29(fp), X30(lr)). */