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[PATCH v2 3/7] target/riscv: Generate nanboxed results from trans_rvf.in
From: |
Richard Henderson |
Subject: |
[PATCH v2 3/7] target/riscv: Generate nanboxed results from trans_rvf.inc.c |
Date: |
Thu, 23 Jul 2020 17:28:03 -0700 |
Make sure that all results from inline single-precision scalar
operations are properly nan-boxed to 64-bits.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/riscv/insn_trans/trans_rvf.inc.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/target/riscv/insn_trans/trans_rvf.inc.c
b/target/riscv/insn_trans/trans_rvf.inc.c
index c7057482e8..264d3139f1 100644
--- a/target/riscv/insn_trans/trans_rvf.inc.c
+++ b/target/riscv/insn_trans/trans_rvf.inc.c
@@ -167,6 +167,7 @@ static bool trans_fsgnj_s(DisasContext *ctx, arg_fsgnj_s *a)
tcg_gen_deposit_i64(cpu_fpr[a->rd], cpu_fpr[a->rs2], cpu_fpr[a->rs1],
0, 31);
}
+ gen_nanbox_s(cpu_fpr[a->rd], cpu_fpr[a->rd]);
mark_fs_dirty(ctx);
return true;
}
@@ -183,6 +184,7 @@ static bool trans_fsgnjn_s(DisasContext *ctx, arg_fsgnjn_s
*a)
tcg_gen_deposit_i64(cpu_fpr[a->rd], t0, cpu_fpr[a->rs1], 0, 31);
tcg_temp_free_i64(t0);
}
+ gen_nanbox_s(cpu_fpr[a->rd], cpu_fpr[a->rd]);
mark_fs_dirty(ctx);
return true;
}
@@ -199,6 +201,7 @@ static bool trans_fsgnjx_s(DisasContext *ctx, arg_fsgnjx_s
*a)
tcg_gen_xor_i64(cpu_fpr[a->rd], cpu_fpr[a->rs1], t0);
tcg_temp_free_i64(t0);
}
+ gen_nanbox_s(cpu_fpr[a->rd], cpu_fpr[a->rd]);
mark_fs_dirty(ctx);
return true;
}
@@ -369,6 +372,7 @@ static bool trans_fmv_w_x(DisasContext *ctx, arg_fmv_w_x *a)
#else
tcg_gen_extu_i32_i64(cpu_fpr[a->rd], t0);
#endif
+ gen_nanbox_s(cpu_fpr[a->rd], cpu_fpr[a->rd]);
mark_fs_dirty(ctx);
tcg_temp_free(t0);
--
2.25.1
- [PATCH v2 0/7] target/riscv: NaN-boxing for multiple precison, Richard Henderson, 2020/07/23
- [PATCH v2 3/7] target/riscv: Generate nanboxed results from trans_rvf.inc.c,
Richard Henderson <=
- [PATCH v2 4/7] target/riscv: Check nanboxed inputs to fp helpers, Richard Henderson, 2020/07/23
- [PATCH v2 5/7] target/riscv: Check nanboxed inputs in trans_rvf.inc.c, Richard Henderson, 2020/07/23
- [PATCH v2 6/7] target/riscv: Clean up fmv.w.x, Richard Henderson, 2020/07/23
- [PATCH v2 7/7] target/riscv: check before allocating TCG temps, Richard Henderson, 2020/07/23
- Re: [PATCH v2 0/7] target/riscv: NaN-boxing for multiple precison, LIU Zhiwei, 2020/07/23
- Re: [PATCH v2 0/7] target/riscv: NaN-boxing for multiple precison, Alistair Francis, 2020/07/27