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tcg: Split out tcg_out_extrl_i64_i32

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We will need a backend interface for type truncation.  For those backends
that did not enable TCG_TARGET_HAS_extrl_i64_i32, use tcg_out_mov.
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 19:58:35 -07:00
parent b9bfe000f9
commit b8b94ac675
11 changed files with 65 additions and 17 deletions
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10
tcg/riscv/tcg-target.c.inc
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@ -612,6 +612,11 @@ static void tcg_out_extu_i32_i64(TCGContext *s, TCGReg ret, TCGReg arg)
tcg_out_ext32u(s, ret, arg);
}
static void tcg_out_extrl_i64_i32(TCGContext *s, TCGReg ret, TCGReg arg)
{
tcg_out_ext32s(s, ret, arg);
}
static void tcg_out_ldst(TCGContext *s, RISCVInsn opc, TCGReg data,
TCGReg addr, intptr_t offset)
{
@ -1607,10 +1612,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
tcg_out_qemu_st(s, args, true);
break;
case INDEX_op_extrl_i64_i32:
tcg_out_ext32s(s, a0, a1);
break;
case INDEX_op_extrh_i64_i32:
tcg_out_opc_imm(s, OPC_SRAI, a0, a1, 32);
break;
@ -1646,6 +1647,7 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
case INDEX_op_ext32u_i64:
case INDEX_op_ext_i32_i64:
case INDEX_op_extu_i32_i64:
case INDEX_op_extrl_i64_i32:
default:
g_assert_not_reached();
}