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[PATCH v6 53/72] target/riscv: rvv-1.0: widening floating-point reductio
From: |
frank . chang |
Subject: |
[PATCH v6 53/72] target/riscv: rvv-1.0: widening floating-point reduction instructions |
Date: |
Tue, 12 Jan 2021 17:39:27 +0800 |
From: Frank Chang <frank.chang@sifive.com>
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
target/riscv/insn_trans/trans_rvv.c.inc | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/target/riscv/insn_trans/trans_rvv.c.inc
b/target/riscv/insn_trans/trans_rvv.c.inc
index c4ccccb0370..49889a7706b 100644
--- a/target/riscv/insn_trans/trans_rvv.c.inc
+++ b/target/riscv/insn_trans/trans_rvv.c.inc
@@ -2877,7 +2877,14 @@ GEN_OPFVV_TRANS(vfredmax_vs, freduction_check)
GEN_OPFVV_TRANS(vfredmin_vs, freduction_check)
/* Vector Widening Floating-Point Reduction Instructions */
-GEN_OPFVV_WIDEN_TRANS(vfwredsum_vs, reduction_check)
+static bool freduction_widen_check(DisasContext *s, arg_rmrr *a)
+{
+ return reduction_widen_check(s, a) &&
+ require_scale_rvf(s) &&
+ (s->sew != MO_8);
+}
+
+GEN_OPFVV_WIDEN_TRANS(vfwredsum_vs, freduction_widen_check)
/*
*** Vector Mask Operations
--
2.17.1
- [PATCH v6 43/72] target/riscv: rvv-1.0: narrowing integer right shift instructions, (continued)
- [PATCH v6 43/72] target/riscv: rvv-1.0: narrowing integer right shift instructions, frank . chang, 2021/01/12
- [PATCH v6 44/72] target/riscv: rvv-1.0: widening integer multiply-add instructions, frank . chang, 2021/01/12
- [PATCH v6 45/72] target/riscv: rvv-1.0: single-width saturating add and subtract instructions, frank . chang, 2021/01/12
- [PATCH v6 46/72] target/riscv: rvv-1.0: integer comparison instructions, frank . chang, 2021/01/12
- [PATCH v6 47/72] target/riscv: rvv-1.0: floating-point compare instructions, frank . chang, 2021/01/12
- [PATCH v6 48/72] target/riscv: rvv-1.0: mask-register logical instructions, frank . chang, 2021/01/12
- [PATCH v6 49/72] target/riscv: rvv-1.0: slide instructions, frank . chang, 2021/01/12
- [PATCH v6 50/72] target/riscv: rvv-1.0: floating-point slide instructions, frank . chang, 2021/01/12
- [PATCH v6 51/72] target/riscv: rvv-1.0: narrowing fixed-point clip instructions, frank . chang, 2021/01/12
- [PATCH v6 52/72] target/riscv: rvv-1.0: single-width floating-point reduction, frank . chang, 2021/01/12
- [PATCH v6 53/72] target/riscv: rvv-1.0: widening floating-point reduction instructions,
frank . chang <=
- [PATCH v6 54/72] target/riscv: rvv-1.0: single-width scaling shift instructions, frank . chang, 2021/01/12
- [PATCH v6 55/72] target/riscv: rvv-1.0: remove widening saturating scaled multiply-add, frank . chang, 2021/01/12
- [PATCH v6 56/72] target/riscv: rvv-1.0: remove vmford.vv and vmford.vf, frank . chang, 2021/01/12
- [PATCH v6 57/72] target/riscv: rvv-1.0: remove integer extract instruction, frank . chang, 2021/01/12
- [PATCH v6 58/72] target/riscv: rvv-1.0: floating-point min/max instructions, frank . chang, 2021/01/12
- [PATCH v6 60/72] target/riscv: rvv-1.0: floating-point/integer type-convert instructions, frank . chang, 2021/01/12
- [PATCH v6 61/72] target/riscv: rvv-1.0: widening floating-point/integer type-convert, frank . chang, 2021/01/12
- [PATCH v6 59/72] target/riscv: introduce floating-point rounding mode enum, frank . chang, 2021/01/12
- [PATCH v6 62/72] target/riscv: add "set round to odd" rounding mode helper function, frank . chang, 2021/01/12
- [PATCH v6 63/72] target/riscv: rvv-1.0: narrowing floating-point/integer type-convert, frank . chang, 2021/01/12