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tcg/loongarch64: Use fp load/store for I32 and I64 into vector regs

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Reviewed-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-05-27 16:24:59 +00:00
parent 741b0ee832
commit 3e26131041
1 changed files with 10 additions and 26 deletions
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36
tcg/loongarch64/tcg-target.c.inc
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@ -803,6 +803,12 @@ static void tcg_out_ldst(TCGContext *s, LoongArchInsn opc, TCGReg data,
case OPC_ST_D:
tcg_out32(s, encode_djsk12_insn(opc, data, addr, imm12));
break;
case OPC_FLD_S:
case OPC_FLD_D:
case OPC_FST_S:
case OPC_FST_D:
tcg_out32(s, encode_fdjsk12_insn(opc, data, addr, imm12));
break;
default:
g_assert_not_reached();
}
@ -816,14 +822,14 @@ static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg dest,
if (dest < TCG_REG_V0) {
tcg_out_ldst(s, OPC_LD_W, dest, base, offset);
} else {
tcg_out_dupm_vec(s, TCG_TYPE_I128, MO_32, dest, base, offset);
tcg_out_ldst(s, OPC_FLD_S, dest, base, offset);
}
break;
case TCG_TYPE_I64:
if (dest < TCG_REG_V0) {
tcg_out_ldst(s, OPC_LD_D, dest, base, offset);
} else {
tcg_out_dupm_vec(s, TCG_TYPE_I128, MO_64, dest, base, offset);
tcg_out_ldst(s, OPC_FLD_D, dest, base, offset);
}
break;
case TCG_TYPE_V128:
@ -847,36 +853,14 @@ static void tcg_out_st(TCGContext *s, TCGType type, TCGReg src,
if (src < TCG_REG_V0) {
tcg_out_ldst(s, OPC_ST_W, src, base, offset);
} else {
/* TODO: Could use fst_s, fstx_s */
if (offset < -0x100 || offset > 0xff || (offset & 3)) {
if (-0x800 <= offset && offset <= 0x7ff) {
tcg_out_opc_addi_d(s, TCG_REG_TMP0, base, offset);
} else {
tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_TMP0, offset);
tcg_out_opc_add_d(s, TCG_REG_TMP0, TCG_REG_TMP0, base);
}
base = TCG_REG_TMP0;
offset = 0;
}
tcg_out_opc_vstelm_w(s, src, base, offset, 0);
tcg_out_ldst(s, OPC_FST_S, src, base, offset);
}
break;
case TCG_TYPE_I64:
if (src < TCG_REG_V0) {
tcg_out_ldst(s, OPC_ST_D, src, base, offset);
} else {
/* TODO: Could use fst_d, fstx_d */
if (offset < -0x100 || offset > 0xff || (offset & 7)) {
if (-0x800 <= offset && offset <= 0x7ff) {
tcg_out_opc_addi_d(s, TCG_REG_TMP0, base, offset);
} else {
tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_TMP0, offset);
tcg_out_opc_add_d(s, TCG_REG_TMP0, TCG_REG_TMP0, base);
}
base = TCG_REG_TMP0;
offset = 0;
}
tcg_out_opc_vstelm_d(s, src, base, offset, 0);
tcg_out_ldst(s, OPC_FST_D, src, base, offset);
}
break;
case TCG_TYPE_V128: