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| author | John Ericson <John.Ericson@Obsidian.Systems> | 2021-06-10 23:14:35 +0000 |
|---|---|---|
| committer | John Ericson <John.Ericson@Obsidian.Systems> | 2021-08-17 20:58:33 +0000 |
| commit | b784a51eb1cf084353e369d48643d64008b61b4a (patch) | |
| tree | 7cb82ab868830b9a247f81565f78e3028ab4d991 | |
| parent | acb188e0c02a114927d340dac78a68626c659cd3 (diff) | |
| download | haskell-b784a51eb1cf084353e369d48643d64008b61b4a.tar.gz | |
Test non-native switch C-- with twos compliment
We don't want regressions like e8f7734d8a052f99b03e1123466dc9f47b48c311
to regress.
Co-Authored-By: Sylvain Henry <hsyl20@gmail.com>
| -rw-r--r-- | testsuite/tests/cmm/should_run/ByteSwitch.hs | 11 | ||||
| -rw-r--r-- | testsuite/tests/cmm/should_run/ByteSwitch.stdout | 9 | ||||
| -rw-r--r-- | testsuite/tests/cmm/should_run/ByteSwitch_cmm.cmm | 11 | ||||
| -rw-r--r-- | testsuite/tests/cmm/should_run/all.T | 10 |
4 files changed, 40 insertions, 1 deletions
diff --git a/testsuite/tests/cmm/should_run/ByteSwitch.hs b/testsuite/tests/cmm/should_run/ByteSwitch.hs new file mode 100644 index 0000000000..40b1db7a2b --- /dev/null +++ b/testsuite/tests/cmm/should_run/ByteSwitch.hs @@ -0,0 +1,11 @@ +{-# LANGUAGE MagicHash #-} +{-# LANGUAGE UnliftedFFITypes #-} +{-# LANGUAGE ForeignFunctionInterface #-} +{-# LANGUAGE GHCForeignImportPrim #-} + +import GHC.Int +import GHC.Exts + +foreign import prim "byte_switch" byteSwitch:: Int8# -> Int8# + +main = traverse (\(I8# x#) -> print $ I8# (byteSwitch x#)) [-4..4] diff --git a/testsuite/tests/cmm/should_run/ByteSwitch.stdout b/testsuite/tests/cmm/should_run/ByteSwitch.stdout new file mode 100644 index 0000000000..ad436e9d57 --- /dev/null +++ b/testsuite/tests/cmm/should_run/ByteSwitch.stdout @@ -0,0 +1,9 @@ +-4 +-3 +15 +7 +5 +1 +2 +9 +4 diff --git a/testsuite/tests/cmm/should_run/ByteSwitch_cmm.cmm b/testsuite/tests/cmm/should_run/ByteSwitch_cmm.cmm new file mode 100644 index 0000000000..f248b1e2a2 --- /dev/null +++ b/testsuite/tests/cmm/should_run/ByteSwitch_cmm.cmm @@ -0,0 +1,11 @@ +#include "Cmm.h" + +byte_switch (bits8 x) { + switch [0 .. 255] (x) { + case 255: { return (7); } + case 254: { return (15); } + case 0: { return (5); } + case 3: { return (9); } + default: { return (x); } + } +} diff --git a/testsuite/tests/cmm/should_run/all.T b/testsuite/tests/cmm/should_run/all.T index bf1556e35c..cd7f5d094a 100644 --- a/testsuite/tests/cmm/should_run/all.T +++ b/testsuite/tests/cmm/should_run/all.T @@ -17,4 +17,12 @@ test('cmp64', # extra_clean(['T17516A.hi', 'T17516A.o']) # ], # multimod_compile, -# ['T17516', '-O -v0'])
\ No newline at end of file +# ['T17516', '-O -v0']) + +test('ByteSwitch', + [ extra_run_opts('"' + config.libdir + '"') + , omit_ways(['ghci']) + , extra_clean('ByteSwitch_cmm.o') + ], + multi_compile_and_run, + ['ByteSwitch', [('ByteSwitch_cmm.cmm', '')], '']) |