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author | Andreas Rumpf <rumpf_a@web.de> | 2019-11-27 16:24:21 +0100 |
---|---|---|
committer | GitHub <noreply@github.com> | 2019-11-27 16:24:21 +0100 |
commit | fd85a5ae054ece9a1954428b135b1da00e410229 (patch) | |
tree | 90a9e603ee06597841e2debcb798d19d76d3eacb | |
parent | 80b508d33727a5b2fd8a3abd49df004e7d5c5138 (diff) | |
download | Nim-fd85a5ae054ece9a1954428b135b1da00e410229.tar.gz |
more fixes for --cpu:avr [backport] (#12748)
-rw-r--r-- | lib/system/alloc.nim | 4 | ||||
-rw-r--r-- | lib/system/deepcopy.nim | 5 | ||||
-rw-r--r-- | lib/system/repr.nim | 2 | ||||
-rw-r--r-- | lib/system/sets.nim | 2 |
4 files changed, 8 insertions, 5 deletions
diff --git a/lib/system/alloc.nim b/lib/system/alloc.nim index efbd95089..c65abe5c2 100644 --- a/lib/system/alloc.nim +++ b/lib/system/alloc.nim @@ -137,10 +137,10 @@ const ] proc msbit(x: uint32): int {.inline.} = - let a = if x <= 0xff_ff: + let a = if x <= 0xff_ff'u32: (if x <= 0xff: 0 else: 8) else: - (if x <= 0xff_ff_ff: 16 else: 24) + (if x <= 0xff_ff_ff'u32: 16 else: 24) result = int(fsLookupTable[byte(x shr a)]) + a proc lsbit(x: uint32): int {.inline.} = diff --git a/lib/system/deepcopy.nim b/lib/system/deepcopy.nim index ed6115e3e..66a65cd34 100644 --- a/lib/system/deepcopy.nim +++ b/lib/system/deepcopy.nim @@ -7,10 +7,13 @@ # distribution, for details about the copyright. # +const + TableSize = when sizeof(int) <= 2: 0xff else: 0xff_ffff + type PtrTable = ptr object counter, max: int - data: array[0xff_ffff, (pointer, pointer)] + data: array[TableSize, (pointer, pointer)] template hashPtr(key: pointer): int = cast[int](key) shr 8 template allocPtrTable: untyped = diff --git a/lib/system/repr.nim b/lib/system/repr.nim index 43bbc8bb6..cc5ba2fee 100644 --- a/lib/system/repr.nim +++ b/lib/system/repr.nim @@ -78,7 +78,7 @@ proc reprEnum(e: int, typ: PNimType): string {.compilerRtl.} = result = $e & " (invalid data!)" type - PByteArray = ptr array[0xffff, byte] + PByteArray = ptr UncheckedArray[byte] # array[0xffff, byte] proc addSetElem(result: var string, elem: int, typ: PNimType) {.benign.} = case typ.kind diff --git a/lib/system/sets.nim b/lib/system/sets.nim index fe414dac7..0df50957d 100644 --- a/lib/system/sets.nim +++ b/lib/system/sets.nim @@ -19,7 +19,7 @@ proc countBits32(n: uint32): int {.compilerproc.} = var v = uint32(n) v = v - ((v shr 1'u32) and 0x55555555'u32) v = (v and 0x33333333'u32) + ((v shr 2'u32) and 0x33333333'u32) - result = (((v + (v shr 4'u32) and 0xF0F0F0F'u32) * 0x1010101) shr 24'u32).int + result = (((v + (v shr 4'u32) and 0xF0F0F0F'u32) * 0x1010101'u32) shr 24'u32).int proc countBits64(n: uint64): int {.compilerproc, inline.} = # generic formula is from: https://graphics.stanford.edu/~seander/bithacks.html#CountBitsSetParallel |