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fixes #6255, add system.ashr arithmetic right shift (#8547)

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andri lim 2018-08-07 23:41:30 +07:00 • committed by Andreas Rumpf
commit 4d5cce9882
13 changed files with 95 additions and 12 deletions
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tests/arithm/tashr.nim Normal file
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@ -0,0 +1,46 @@
discard """
output: ''''''
targets: '''c js'''
"""
# issue #6255, feature request
# arithmetic right shift
var x1 = -123'i8
var x2 = -123'i16
var x3 = -123'i32
var x4 = -123'i64
var x5 = -123
block codegen_test:
doAssert ashr(x1, 1) == -62
doAssert ashr(x2, 1) == -62
doAssert ashr(x3, 1) == -62
doAssert ashr(x4, 1) == -62
doAssert ashr(x5, 1) == -62
block semfold_test:
doAssert ashr(-123'i8 , 1) == -62
doAssert ashr(-123'i16, 1) == -62
doAssert ashr(-123'i32, 1) == -62
doAssert ashr(-123'i64, 1) == -62
doAssert ashr(-123 , 1) == -62
static: # VM test
doAssert ashr(-123'i8 , 1) == -62
doAssert ashr(-123'i16, 1) == -62
doAssert ashr(-123'i32, 1) == -62
doAssert ashr(-123'i64, 1) == -62
doAssert ashr(-123 , 1) == -62
var y1 = -123'i8
var y2 = -123'i16
var y3 = -123'i32
var y4 = -123'i64
var y5 = -123
doAssert ashr(y1, 1) == -62
doAssert ashr(y2, 1) == -62
doAssert ashr(y3, 1) == -62
doAssert ashr(y4, 1) == -62
doAssert ashr(y5, 1) == -62