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From: Jiaxun Yang <jiaxun.yang@flygoat.com>
Date: Thu, 26 Dec 2024 21:19:44 +0000
Subject: [PATCH v2 13/23] target/loongarch: Fix rdtimer on 32bit build
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Use TCGv_i64 for intermediate values and perform truncation as necessary.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
---
target/loongarch/tcg/insn_trans/trans_extra.c.inc | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/target/loongarch/tcg/insn_trans/trans_extra.c.inc b/target/loo=
ngarch/tcg/insn_trans/trans_extra.c.inc
index cfa361fecfa9ba569034b2c591b910ae7a3c6427..f9fb828ce51f2ee925edde7330d=
3054da534ecb3 100644
--- a/target/loongarch/tcg/insn_trans/trans_extra.c.inc
+++ b/target/loongarch/tcg/insn_trans/trans_extra.c.inc
@@ -46,13 +46,15 @@ static bool gen_rdtime(DisasContext *ctx, arg_rr *a,
{
TCGv dst1 =3D gpr_dst(ctx, a->rd, EXT_NONE);
TCGv dst2 =3D gpr_dst(ctx, a->rj, EXT_NONE);
+ TCGv_i64 val =3D tcg_temp_new_i64();
=20
translator_io_start(&ctx->base);
- gen_helper_rdtime_d(dst1, tcg_env);
+ gen_helper_rdtime_d(val, tcg_env);
if (word) {
- tcg_gen_sextract_tl(dst1, dst1, high ? 32 : 0, 32);
+ tcg_gen_sextract_i64(val, val, high ? 32 : 0, 32);
+ tcg_gen_trunc_i64_tl(dst1, val);
}
- tcg_gen_ld_i64(dst2, tcg_env, offsetof(CPULoongArchState, CSR_TID));
+ tcg_gen_ld_tl(dst2, tcg_env, offsetof(CPULoongArchState, CSR_TID));
=20
return true;
}
--=20
2.43.0