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authorFrank Chang2021-12-10 08:56:39 +0100
committerAlistair Francis2021-12-20 05:53:31 +0100
commit08b60eebc4ac101eef94639553766c3c1969c4d3 (patch)
treef2a0b80ea13bd5cfc598ee1b15a788b77a9fc7fa /target
parenttarget/riscv: rvv-1.0: narrowing fixed-point clip instructions (diff)
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target/riscv: rvv-1.0: single-width floating-point reduction
Signed-off-by: Frank Chang <frank.chang@sifive.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20211210075704.23951-54-frank.chang@sifive.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target')
-rw-r--r--target/riscv/insn_trans/trans_rvv.c.inc12
-rw-r--r--target/riscv/vector_helper.c12
2 files changed, 15 insertions, 9 deletions
diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_trans/trans_rvv.c.inc
index f5588d9832..998247d71d 100644
--- a/target/riscv/insn_trans/trans_rvv.c.inc
+++ b/target/riscv/insn_trans/trans_rvv.c.inc
@@ -2637,9 +2637,15 @@ GEN_OPIVV_WIDEN_TRANS(vwredsum_vs, reduction_widen_check)
GEN_OPIVV_WIDEN_TRANS(vwredsumu_vs, reduction_widen_check)
/* Vector Single-Width Floating-Point Reduction Instructions */
-GEN_OPFVV_TRANS(vfredsum_vs, reduction_check)
-GEN_OPFVV_TRANS(vfredmax_vs, reduction_check)
-GEN_OPFVV_TRANS(vfredmin_vs, reduction_check)
+static bool freduction_check(DisasContext *s, arg_rmrr *a)
+{
+ return reduction_check(s, a) &&
+ require_rvf(s);
+}
+
+GEN_OPFVV_TRANS(vfredsum_vs, freduction_check)
+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)
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index c95c8bd9db..79a2c3ff3a 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -4173,14 +4173,14 @@ GEN_VEXT_FRED(vfredsum_vs_w, uint32_t, uint32_t, H4, H4, float32_add)
GEN_VEXT_FRED(vfredsum_vs_d, uint64_t, uint64_t, H8, H8, float64_add)
/* Maximum value */
-GEN_VEXT_FRED(vfredmax_vs_h, uint16_t, uint16_t, H2, H2, float16_maxnum)
-GEN_VEXT_FRED(vfredmax_vs_w, uint32_t, uint32_t, H4, H4, float32_maxnum)
-GEN_VEXT_FRED(vfredmax_vs_d, uint64_t, uint64_t, H8, H8, float64_maxnum)
+GEN_VEXT_FRED(vfredmax_vs_h, uint16_t, uint16_t, H2, H2, float16_maximum_number)
+GEN_VEXT_FRED(vfredmax_vs_w, uint32_t, uint32_t, H4, H4, float32_maximum_number)
+GEN_VEXT_FRED(vfredmax_vs_d, uint64_t, uint64_t, H8, H8, float64_maximum_number)
/* Minimum value */
-GEN_VEXT_FRED(vfredmin_vs_h, uint16_t, uint16_t, H2, H2, float16_minnum)
-GEN_VEXT_FRED(vfredmin_vs_w, uint32_t, uint32_t, H4, H4, float32_minnum)
-GEN_VEXT_FRED(vfredmin_vs_d, uint64_t, uint64_t, H8, H8, float64_minnum)
+GEN_VEXT_FRED(vfredmin_vs_h, uint16_t, uint16_t, H2, H2, float16_minimum_number)
+GEN_VEXT_FRED(vfredmin_vs_w, uint32_t, uint32_t, H4, H4, float32_minimum_number)
+GEN_VEXT_FRED(vfredmin_vs_d, uint64_t, uint64_t, H8, H8, float64_minimum_number)
/* Vector Widening Floating-Point Reduction Instructions */
/* Unordered reduce 2*SEW = 2*SEW + sum(promote(SEW)) */