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author | Rob Findley <rfindley@google.com> | 2020-09-11 14:23:34 -0400 |
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committer | Rob Findley <rfindley@google.com> | 2020-09-11 14:23:34 -0400 |
commit | f8b1c17aced24a1618c6984794be9770c5d260be (patch) | |
tree | 45af8d39b5c3d9f43d439ebec0a2ba42b49efe70 /test/codegen/slices.go | |
parent | e5d91ab096a9ff9673311f1a7f3f860a7f9c2062 (diff) | |
parent | 07c1788357cfe6a4ee5f6f6a54d4fe9f579fa844 (diff) | |
download | go-dev.types.tar.gz go-dev.types.zip |
[dev.types] all: merge master into dev.typesdev.types
Change-Id: Ia6964cb4e09153c15cc9c5b441373d1b3cb8f757
Diffstat (limited to 'test/codegen/slices.go')
-rw-r--r-- | test/codegen/slices.go | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/codegen/slices.go b/test/codegen/slices.go index 40e857f9f6..38e8a62f4b 100644 --- a/test/codegen/slices.go +++ b/test/codegen/slices.go @@ -347,3 +347,24 @@ func InitNotSmallSliceLiteral() []int { 42, } } + +// --------------------------------------- // +// Test PPC64 SUBFCconst folding rules // +// triggered by slice operations. // +// --------------------------------------- // + +func SliceWithConstCompare(a []int, b int) []int { + var c []int = []int{1, 2, 3, 4, 5} + if b+len(a) < len(c) { + // ppc64le:-"NEG" + // ppc64:-"NEG" + return c[b:] + } + return a +} + +func SliceWithSubtractBound(a []int, b int) []int { + // ppc64le:"SUBC",-"NEG" + // ppc64:"SUBC",-"NEG" + return a[(3 - b):] +} |