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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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12
tcg/s390x/tcg-target.c.inc
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@ -1102,7 +1102,7 @@ static void tcg_out_ext8u(TCGContext *s, TCGReg dest, TCGReg src)
tcg_out_insn(s, RRE, LLGCR, dest, src);
}
static void tgen_ext16s(TCGContext *s, TCGType type, TCGReg dest, TCGReg src)
static void tcg_out_ext16s(TCGContext *s, TCGType type, TCGReg dest, TCGReg src)
{
tcg_out_insn(s, RRE, LGHR, dest, src);
}
@ -1609,7 +1609,7 @@ static void tcg_out_qemu_ld_direct(TCGContext *s, MemOp opc, TCGReg data,
case MO_SW | MO_BSWAP:
/* swapped sign-extended halfword load */
tcg_out_insn(s, RXY, LRVH, data, base, index, disp);
tgen_ext16s(s, TCG_TYPE_I64, data, data);
tcg_out_ext16s(s, TCG_TYPE_REG, data, data);
break;
case MO_SW:
tcg_out_insn(s, RXY, LGH, data, base, index, disp);
@ -2233,9 +2233,6 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
}
break;
case INDEX_op_ext16s_i32:
tgen_ext16s(s, TCG_TYPE_I32, args[0], args[1]);
break;
case INDEX_op_ext16u_i32:
tgen_ext16u(s, TCG_TYPE_I32, args[0], args[1]);
break;
@ -2531,9 +2528,6 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
}
break;
case INDEX_op_ext16s_i64:
tgen_ext16s(s, TCG_TYPE_I64, args[0], args[1]);
break;
case INDEX_op_ext_i32_i64:
case INDEX_op_ext32s_i64:
tgen_ext32s(s, args[0], args[1]);
@ -2636,6 +2630,8 @@ static inline 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();
}