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tcg: Split out tcg_out_ext32s

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We will need a backend interface for performing 32-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 17:50:09 -07:00
parent 379afdff47
commit 52bf3398c3
11 changed files with 54 additions and 20 deletions
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5
tcg/i386/tcg-target.c.inc
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@ -1293,8 +1293,9 @@ static inline void tcg_out_ext32u(TCGContext *s, int dest, int src)
tcg_out_modrm(s, OPC_MOVL_GvEv, dest, src);
}
static inline void tcg_out_ext32s(TCGContext *s, int dest, int src)
static void tcg_out_ext32s(TCGContext *s, TCGReg dest, TCGReg src)
{
tcg_debug_assert(TCG_TARGET_REG_BITS == 64);
tcg_out_modrm(s, OPC_MOVSLQ, dest, src);
}
@ -2758,7 +2759,6 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
tcg_out_ext32u(s, a0, a1);
break;
case INDEX_op_ext_i32_i64:
case INDEX_op_ext32s_i64:
tcg_out_ext32s(s, a0, a1);
break;
case INDEX_op_extrh_i64_i32:
@ -2837,6 +2837,7 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
case INDEX_op_ext16s_i64:
case INDEX_op_ext16u_i32:
case INDEX_op_ext16u_i64:
case INDEX_op_ext32s_i64:
default:
g_assert_not_reached();
}