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-rw-r--r--src/cmd/asm/internal/asm/testdata/riscv64.s40
-rw-r--r--src/cmd/asm/internal/asm/testdata/riscv64error.s15
-rw-r--r--src/cmd/asm/internal/asm/testdata/riscv64validation.s16
-rw-r--r--src/cmd/internal/obj/riscv/obj.go28
4 files changed, 98 insertions, 1 deletions
diff --git a/src/cmd/asm/internal/asm/testdata/riscv64.s b/src/cmd/asm/internal/asm/testdata/riscv64.s
index f833ab62ad..687f98d072 100644
--- a/src/cmd/asm/internal/asm/testdata/riscv64.s
+++ b/src/cmd/asm/internal/asm/testdata/riscv64.s
@@ -1161,6 +1161,46 @@ start:
VFNCVTRODFFW V2, V3 // d7912a4a
VFNCVTRODFFW V2, V0, V3 // d7912a48
+ // 31.14.1: Vector Single-Width Integer Reduction Instructions
+ VREDSUMVS V1, V2, V3 // d7a12002
+ VREDSUMVS V1, V2, V0, V3 // d7a12000
+ VREDMAXUVS V1, V2, V3 // d7a1201a
+ VREDMAXUVS V1, V2, V0, V3 // d7a12018
+ VREDMAXVS V1, V2, V3 // d7a1201e
+ VREDMAXVS V1, V2, V0, V3 // d7a1201c
+ VREDMINUVS V1, V2, V3 // d7a12012
+ VREDMINUVS V1, V2, V0, V3 // d7a12010
+ VREDMINVS V1, V2, V3 // d7a12016
+ VREDMINVS V1, V2, V0, V3 // d7a12014
+ VREDANDVS V1, V2, V3 // d7a12006
+ VREDANDVS V1, V2, V0, V3 // d7a12004
+ VREDORVS V1, V2, V3 // d7a1200a
+ VREDORVS V1, V2, V0, V3 // d7a12008
+ VREDXORVS V1, V2, V3 // d7a1200e
+ VREDXORVS V1, V2, V0, V3 // d7a1200c
+
+ // 31.14.2: Vector Widening Integer Reduction Instructions
+ VWREDSUMUVS V1, V2, V3 // d78120c2
+ VWREDSUMUVS V1, V2, V0, V3 // d78120c0
+ VWREDSUMVS V1, V2, V3 // d78120c6
+ VWREDSUMVS V1, V2, V0, V3 // d78120c4
+
+ // 31.14.3: Vector Single-Width Floating-Point Reduction Instructions
+ VFREDOSUMVS V1, V2, V3 // d791200e
+ VFREDOSUMVS V1, V2, V0, V3 // d791200c
+ VFREDUSUMVS V1, V2, V3 // d7912006
+ VFREDUSUMVS V1, V2, V0, V3 // d7912004
+ VFREDMAXVS V1, V2, V3 // d791201e
+ VFREDMAXVS V1, V2, V0, V3 // d791201c
+ VFREDMINVS V1, V2, V3 // d7912016
+ VFREDMINVS V1, V2, V0, V3 // d7912014
+
+ // 31.14.4: Vector Widening Floating-Point Reduction Instructions
+ VFWREDOSUMVS V1, V2, V3 // d79120ce
+ VFWREDOSUMVS V1, V2, V0, V3 // d79120cc
+ VFWREDUSUMVS V1, V2, V3 // d79120c6
+ VFWREDUSUMVS V1, V2, V0, V3 // d79120c4
+
//
// Privileged ISA
//
diff --git a/src/cmd/asm/internal/asm/testdata/riscv64error.s b/src/cmd/asm/internal/asm/testdata/riscv64error.s
index 3aeeadf848..3a4bb1c761 100644
--- a/src/cmd/asm/internal/asm/testdata/riscv64error.s
+++ b/src/cmd/asm/internal/asm/testdata/riscv64error.s
@@ -347,5 +347,20 @@ TEXT errors(SB),$0
VFNCVTFXW V2, V4, V3 // ERROR "invalid vector mask register"
VFNCVTFFW V2, V4, V3 // ERROR "invalid vector mask register"
VFNCVTRODFFW V2, V4, V3 // ERROR "invalid vector mask register"
+ VREDSUMVS V1, V2, V4, V3 // ERROR "invalid vector mask register"
+ VREDMAXUVS V1, V2, V4, V3 // ERROR "invalid vector mask register"
+ VREDMAXVS V1, V2, V4, V3 // ERROR "invalid vector mask register"
+ VREDMINUVS V1, V2, V4, V3 // ERROR "invalid vector mask register"
+ VREDMINVS V1, V2, V4, V3 // ERROR "invalid vector mask register"
+ VREDANDVS V1, V2, V4, V3 // ERROR "invalid vector mask register"
+ VREDORVS V1, V2, V4, V3 // ERROR "invalid vector mask register"
+ VREDXORVS V1, V2, V4, V3 // ERROR "invalid vector mask register"
+ VWREDSUMUVS V1, V2, V4, V3 // ERROR "invalid vector mask register"
+ VWREDSUMVS V1, V2, V4, V3 // ERROR "invalid vector mask register"
+ VFREDOSUMVS V1, V2, V4, V3 // ERROR "invalid vector mask register"
+ VFREDUSUMVS V1, V2, V4, V3 // ERROR "invalid vector mask register"
+ VFREDMAXVS V1, V2, V4, V3 // ERROR "invalid vector mask register"
+ VFREDMINVS V1, V2, V4, V3 // ERROR "invalid vector mask register"
+ VFWREDOSUMVS V1, V2, V4, V3 // ERROR "invalid vector mask register"
RET
diff --git a/src/cmd/asm/internal/asm/testdata/riscv64validation.s b/src/cmd/asm/internal/asm/testdata/riscv64validation.s
index 2c509a1e91..adb10823d7 100644
--- a/src/cmd/asm/internal/asm/testdata/riscv64validation.s
+++ b/src/cmd/asm/internal/asm/testdata/riscv64validation.s
@@ -364,5 +364,21 @@ TEXT validation(SB),$0
VFNCVTFXW X10, V3 // ERROR "expected vector register in vs2 position"
VFNCVTFFW X10, V3 // ERROR "expected vector register in vs2 position"
VFNCVTRODFFW X10, V3 // ERROR "expected vector register in vs2 position"
+ VREDSUMVS X10, V2, V3 // ERROR "expected vector register in vs1 position"
+ VREDMAXUVS X10, V2, V3 // ERROR "expected vector register in vs1 position"
+ VREDMAXVS X10, V2, V3 // ERROR "expected vector register in vs1 position"
+ VREDMINUVS X10, V2, V3 // ERROR "expected vector register in vs1 position"
+ VREDMINVS X10, V2, V3 // ERROR "expected vector register in vs1 position"
+ VREDANDVS X10, V2, V3 // ERROR "expected vector register in vs1 position"
+ VREDORVS X10, V2, V3 // ERROR "expected vector register in vs1 position"
+ VREDXORVS X10, V2, V3 // ERROR "expected vector register in vs1 position"
+ VWREDSUMUVS X10, V2, V3 // ERROR "expected vector register in vs1 position"
+ VWREDSUMVS X10, V2, V3 // ERROR "expected vector register in vs1 position"
+ VFREDOSUMVS X10, V2, V3 // ERROR "expected vector register in vs1 position"
+ VFREDUSUMVS X10, V2, V3 // ERROR "expected vector register in vs1 position"
+ VFREDMAXVS X10, V2, V3 // ERROR "expected vector register in vs1 position"
+ VFREDMINVS X10, V2, V3 // ERROR "expected vector register in vs1 position"
+ VFWREDOSUMVS X10, V2, V3 // ERROR "expected vector register in vs1 position"
+ VFWREDUSUMVS X10, V2, V3 // ERROR "expected vector register in vs1 position"
RET
diff --git a/src/cmd/internal/obj/riscv/obj.go b/src/cmd/internal/obj/riscv/obj.go
index 5563af9129..83ce7e21df 100644
--- a/src/cmd/internal/obj/riscv/obj.go
+++ b/src/cmd/internal/obj/riscv/obj.go
@@ -2585,6 +2585,30 @@ var instructions = [ALAST & obj.AMask]instructionData{
AVFNCVTFFW & obj.AMask: {enc: rVVEncoding},
AVFNCVTRODFFW & obj.AMask: {enc: rVVEncoding},
+ // 31.14.1: Vector Single-Width Integer Reduction Instructions
+ AVREDSUMVS & obj.AMask: {enc: rVVVEncoding},
+ AVREDMAXUVS & obj.AMask: {enc: rVVVEncoding},
+ AVREDMAXVS & obj.AMask: {enc: rVVVEncoding},
+ AVREDMINUVS & obj.AMask: {enc: rVVVEncoding},
+ AVREDMINVS & obj.AMask: {enc: rVVVEncoding},
+ AVREDANDVS & obj.AMask: {enc: rVVVEncoding},
+ AVREDORVS & obj.AMask: {enc: rVVVEncoding},
+ AVREDXORVS & obj.AMask: {enc: rVVVEncoding},
+
+ // 31.14.2: Vector Widening Integer Reduction Instructions
+ AVWREDSUMUVS & obj.AMask: {enc: rVVVEncoding},
+ AVWREDSUMVS & obj.AMask: {enc: rVVVEncoding},
+
+ // 31.14.3: Vector Single-Width Floating-Point Reduction Instructions
+ AVFREDOSUMVS & obj.AMask: {enc: rVVVEncoding},
+ AVFREDUSUMVS & obj.AMask: {enc: rVVVEncoding},
+ AVFREDMAXVS & obj.AMask: {enc: rVVVEncoding},
+ AVFREDMINVS & obj.AMask: {enc: rVVVEncoding},
+
+ // 31.14.4: Vector Widening Floating-Point Reduction Instructions
+ AVFWREDOSUMVS & obj.AMask: {enc: rVVVEncoding},
+ AVFWREDUSUMVS & obj.AMask: {enc: rVVVEncoding},
+
//
// Privileged ISA
//
@@ -3578,7 +3602,9 @@ func instructionsForProg(p *obj.Prog) []*instruction {
AVFMULVV, AVFMULVF, AVFDIVVV, AVFDIVVF, AVFRDIVVF, AVFWMULVV, AVFWMULVF,
AVFMINVV, AVFMINVF, AVFMAXVV, AVFMAXVF,
AVFSGNJVV, AVFSGNJVF, AVFSGNJNVV, AVFSGNJNVF, AVFSGNJXVV, AVFSGNJXVF,
- AVMFEQVV, AVMFEQVF, AVMFNEVV, AVMFNEVF, AVMFLTVV, AVMFLTVF, AVMFLEVV, AVMFLEVF, AVMFGTVF, AVMFGEVF:
+ AVMFEQVV, AVMFEQVF, AVMFNEVV, AVMFNEVF, AVMFLTVV, AVMFLTVF, AVMFLEVV, AVMFLEVF, AVMFGTVF, AVMFGEVF,
+ AVREDSUMVS, AVREDMAXUVS, AVREDMAXVS, AVREDMINUVS, AVREDMINVS, AVREDANDVS, AVREDORVS, AVREDXORVS,
+ AVWREDSUMUVS, AVWREDSUMVS, AVFREDOSUMVS, AVFREDUSUMVS, AVFREDMAXVS, AVFREDMINVS, AVFWREDOSUMVS, AVFWREDUSUMVS:
// Set mask bit
switch {
case ins.rs3 == obj.REG_NONE: