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[PATCH v8 54/78] target/riscv: rvv-1.0: widening floating-point reductio
From: |
frank . chang |
Subject: |
[PATCH v8 54/78] target/riscv: rvv-1.0: widening floating-point reduction instructions |
Date: |
Fri, 15 Oct 2021 15:46:02 +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 0c171a25930..a30da823d25 100644
--- a/target/riscv/insn_trans/trans_rvv.c.inc
+++ b/target/riscv/insn_trans/trans_rvv.c.inc
@@ -2647,7 +2647,14 @@ 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
--
2.25.1
- [PATCH v8 45/78] target/riscv: rvv-1.0: widening integer multiply-add instructions, (continued)
- [PATCH v8 45/78] target/riscv: rvv-1.0: widening integer multiply-add instructions, frank . chang, 2021/10/15
- [PATCH v8 46/78] target/riscv: rvv-1.0: single-width saturating add and subtract instructions, frank . chang, 2021/10/15
- [PATCH v8 47/78] target/riscv: rvv-1.0: integer comparison instructions, frank . chang, 2021/10/15
- [PATCH v8 48/78] target/riscv: rvv-1.0: floating-point compare instructions, frank . chang, 2021/10/15
- [PATCH v8 49/78] target/riscv: rvv-1.0: mask-register logical instructions, frank . chang, 2021/10/15
- [PATCH v8 50/78] target/riscv: rvv-1.0: slide instructions, frank . chang, 2021/10/15
- [PATCH v8 51/78] target/riscv: rvv-1.0: floating-point slide instructions, frank . chang, 2021/10/15
- [PATCH v8 52/78] target/riscv: rvv-1.0: narrowing fixed-point clip instructions, frank . chang, 2021/10/15
- [PATCH v8 53/78] target/riscv: rvv-1.0: single-width floating-point reduction, frank . chang, 2021/10/15
- [PATCH v8 54/78] target/riscv: rvv-1.0: widening floating-point reduction instructions,
frank . chang <=
- [PATCH v8 55/78] target/riscv: rvv-1.0: single-width scaling shift instructions, frank . chang, 2021/10/15
- [PATCH v8 56/78] target/riscv: rvv-1.0: remove widening saturating scaled multiply-add, frank . chang, 2021/10/15
- [PATCH v8 57/78] target/riscv: rvv-1.0: remove vmford.vv and vmford.vf, frank . chang, 2021/10/15
- [PATCH v8 58/78] target/riscv: rvv-1.0: remove integer extract instruction, frank . chang, 2021/10/15
- [PATCH v8 59/78] target/riscv: rvv-1.0: floating-point min/max instructions, frank . chang, 2021/10/15
- [PATCH v8 60/78] target/riscv: introduce floating-point rounding mode enum, frank . chang, 2021/10/15
- [PATCH v8 61/78] target/riscv: rvv-1.0: floating-point/integer type-convert instructions, frank . chang, 2021/10/15
- [PATCH v8 62/78] target/riscv: rvv-1.0: widening floating-point/integer type-convert, frank . chang, 2021/10/15