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| author | Michael Munday <mike.munday@lowrisc.org> | 2021-09-09 23:47:14 +0100 |
|---|---|---|
| committer | Michael Munday <mike.munday@lowrisc.org> | 2021-09-10 10:45:59 +0000 |
| commit | c69f5c0d7632381dfc6dc78f0af4f54e7673176d (patch) | |
| tree | aa08f8077659f7401bd07cc11c7c90d06730c093 /test | |
| parent | 2091bd3f26e5143bd050833b3558893e1bc34625 (diff) | |
| download | go-c69f5c0d7632381dfc6dc78f0af4f54e7673176d.tar.gz go-c69f5c0d7632381dfc6dc78f0af4f54e7673176d.zip | |
cmd/compile: add support for Abs and Copysign intrinsics on riscv64
Also, add the FABSS and FABSD pseudo instructions to the assembler.
The compiler could use FSGNJX[SD] directly but there doesn't seem
to be much advantage to doing so and the pseudo instructions are
easier to understand.
Change-Id: Ie8825b8aa8773c69cc4f07a32ef04abf4061d80d
Reviewed-on: https://go-review.googlesource.com/c/go/+/348989
Trust: Michael Munday <mike.munday@lowrisc.org>
Run-TryBot: Michael Munday <mike.munday@lowrisc.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Joel Sing <joel@sing.id.au>
Diffstat (limited to 'test')
| -rw-r--r-- | test/codegen/math.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/test/codegen/math.go b/test/codegen/math.go index cd573db7b3..df2ebd79e1 100644 --- a/test/codegen/math.go +++ b/test/codegen/math.go @@ -73,6 +73,7 @@ func abs(x, y float64) { // s390x:"LPDFR\t",-"MOVD\t" (no integer load/store) // ppc64:"FABS\t" // ppc64le:"FABS\t" + // riscv64:"FABSD\t" // wasm:"F64Abs" // arm/6:"ABSD\t" sink64[0] = math.Abs(x) @@ -96,6 +97,7 @@ func copysign(a, b, c float64) { // s390x:"CPSDR",-"MOVD" (no integer load/store) // ppc64:"FCPSGN" // ppc64le:"FCPSGN" + // riscv64:"FSGNJD" // wasm:"F64Copysign" sink64[0] = math.Copysign(a, b) @@ -103,6 +105,7 @@ func copysign(a, b, c float64) { // s390x:"LNDFR\t",-"MOVD\t" (no integer load/store) // ppc64:"FCPSGN" // ppc64le:"FCPSGN" + // riscv64:"FSGNJD" // arm64:"ORR", -"AND" sink64[1] = math.Copysign(c, -1) @@ -115,6 +118,7 @@ func copysign(a, b, c float64) { // s390x:"CPSDR\t",-"MOVD\t" (no integer load/store) // ppc64:"FCPSGN" // ppc64le:"FCPSGN" + // riscv64:"FSGNJD" sink64[3] = math.Copysign(-1, c) } |