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runtime: fix arenaBaseOffset for aix/ppc

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The arenaBaseOffset modifications was aimed only for aix/ppc64.

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/237038
This commit is contained in:
Clément Chigot 2020-06-09 11:36:01 +02:00 committed by Ian Lance Taylor
parent 309a6c468f
commit 75452d6867
3 changed files with 3 additions and 3 deletions
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2
gcc/go/gofrontend/MERGE
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@ -1,4 +1,4 @@
ea58b8491064fbed18a220571a3043c38dccf7c7
74199467ea912138c1b76e9a156bb47886be1436
The first line of this file holds the git revision number of the last
merge done from the gofrontend repository.

2
libgo/go/runtime/export_test.go
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@ -866,7 +866,7 @@ func FreePageAlloc(pp *PageAlloc) {
//
// This should not be higher than 0x100*pallocChunkBytes to support
// mips and mipsle, which only have 31-bit address spaces.
var BaseChunkIdx = ChunkIdx(chunkIndex(((0xc000*pageAlloc64Bit + 0x100*pageAlloc32Bit) * pallocChunkBytes) + 0x0a00000000000000*sys.GoosAix))
var BaseChunkIdx = ChunkIdx(chunkIndex(((0xc000*pageAlloc64Bit + 0x100*pageAlloc32Bit) * pallocChunkBytes) + 0x0a00000000000000*sys.GoosAix*sys.GoarchPpc64))
// PageBase returns an address given a chunk index and a page index
// relative to that chunk.

2
libgo/go/runtime/malloc.go
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@ -312,7 +312,7 @@ const (
//
// On other platforms, the user address space is contiguous
// and starts at 0, so no offset is necessary.
arenaBaseOffset = sys.GoarchAmd64*(1<<47) + (^0x0a00000000000000+1)&uintptrMask*sys.GoosAix
arenaBaseOffset = sys.GoarchAmd64*(1<<47) + (^0x0a00000000000000+1)&uintptrMask*sys.GoosAix*sys.GoarchPpc64
// Max number of threads to run garbage collection.
// 2, 3, and 4 are all plausible maximums depending