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tcg: Introduce tcg_out_movext

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This is common code in most qemu_{ld,st} slow paths, extending the
input value for the store helper data argument or extending the
return value from the load helper.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-04-05 21:16:28 -07:00
parent b8b94ac675
commit b3dfd5fc18
9 changed files with 103 additions and 168 deletions
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13
tcg/riscv/tcg-target.c.inc
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@ -1079,17 +1079,8 @@ static bool tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
/* call store helper */
tcg_out_mov(s, TCG_TYPE_PTR, a0, TCG_AREG0);
tcg_out_mov(s, TCG_TYPE_PTR, a1, l->addrlo_reg);
tcg_out_mov(s, TCG_TYPE_PTR, a2, l->datalo_reg);
switch (s_bits) {
case MO_8:
tcg_out_ext8u(s, a2, a2);
break;
case MO_16:
tcg_out_ext16u(s, a2, a2);
break;
default:
break;
}
tcg_out_movext(s, s_bits == MO_64 ? TCG_TYPE_I64 : TCG_TYPE_I32, a2,
l->type, s_bits, l->datalo_reg);
tcg_out_movi(s, TCG_TYPE_PTR, a3, oi);
tcg_out_movi(s, TCG_TYPE_PTR, a4, (tcg_target_long)l->raddr);