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tcg: Split out tcg_out_ext16s

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We will need a backend interface for performing 16-bit sign-extend.
Use it in tcg_reg_alloc_op in the meantime.

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 14:49:59 -07:00
parent d0e66c897f
commit 753e42eada
11 changed files with 79 additions and 52 deletions
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21
tcg/tci/tcg-target.c.inc
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@ -586,6 +586,24 @@ static void tcg_out_ext8u(TCGContext *s, TCGReg rd, TCGReg rs)
}
}
static void tcg_out_ext16s(TCGContext *s, TCGType type, TCGReg rd, TCGReg rs)
{
switch (type) {
case TCG_TYPE_I32:
tcg_debug_assert(TCG_TARGET_HAS_ext16s_i32);
tcg_out_op_rr(s, INDEX_op_ext16s_i32, rd, rs);
break;
#if TCG_TARGET_REG_BITS == 64
case TCG_TYPE_I64:
tcg_debug_assert(TCG_TARGET_HAS_ext16s_i64);
tcg_out_op_rr(s, INDEX_op_ext16s_i64, rd, rs);
break;
#endif
default:
g_assert_not_reached();
}
}
static void tcg_out_addi_ptr(TCGContext *s, TCGReg rd, TCGReg rs,
tcg_target_long imm)
{
@ -744,7 +762,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
CASE_32_64(neg) /* Optional (TCG_TARGET_HAS_neg_*). */
CASE_32_64(not) /* Optional (TCG_TARGET_HAS_not_*). */
CASE_32_64(ext16s) /* Optional (TCG_TARGET_HAS_ext16s_*). */
CASE_32_64(ext16u) /* Optional (TCG_TARGET_HAS_ext16u_*). */
CASE_64(ext32s) /* Optional (TCG_TARGET_HAS_ext32s_i64). */
CASE_64(ext32u) /* Optional (TCG_TARGET_HAS_ext32u_i64). */
@ -826,6 +843,8 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
case INDEX_op_ext8s_i64:
case INDEX_op_ext8u_i32:
case INDEX_op_ext8u_i64:
case INDEX_op_ext16s_i32:
case INDEX_op_ext16s_i64:
default:
g_assert_not_reached();
}