diff options
| author | Paul Murphy <paumurph@redhat.com> | 2026-03-27 19:56:25 +0000 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2026-03-27 18:07:27 -0700 |
| commit | 880f126233a377ee656612e68710eefe7964f646 (patch) | |
| tree | bc307eb3a7b7e884fe3bc76da1b3855b0176ef19 /test/codegen/bits.go | |
| parent | c7238e81ca45af755a2c7770950eb163efa3495f (diff) | |
| download | go-880f126233a377ee656612e68710eefe7964f646.tar.xz | |
test/codegen: fix ppc64x rldicl bit test
The prove pass removes superfluous bit masking. This was meant to
test the edge cases of the ppc64 folding rules which are exactly
the cases the prove pass now removes.
Fixes #78403
Change-Id: I45eeac58e01b42e19b8a06bb0d7af96c616ccbff
Reviewed-on: https://go-review.googlesource.com/c/go/+/760307
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Paul Murphy <paumurph@redhat.com>
Reviewed-by: Jorropo <jorropo.pgm@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Diffstat (limited to 'test/codegen/bits.go')
| -rw-r--r-- | test/codegen/bits.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/test/codegen/bits.go b/test/codegen/bits.go index 097d65e28a..ca9d857164 100644 --- a/test/codegen/bits.go +++ b/test/codegen/bits.go @@ -606,8 +606,8 @@ func bitsRotateAndMask(io64 [8]uint64, io32 [4]uint32, io16 [4]uint16, io8 [4]ui io64[1] = io64[1] & 0x0000FFFFFFFFFFFF // ppc64x: -"SRD", -"AND", "RLDICL [$]60, R[0-9]*, [$]16, R" io64[2] = (io64[2] >> 4) & 0x0000FFFFFFFFFFFF - // ppc64x: -"SRD", -"AND", "RLDICL [$]36, R[0-9]*, [$]28, R" - io64[3] = (io64[3] >> 28) & 0x0000FFFFFFFFFFFF + // ppc64x: -"SRD" -"AND" "RLDICL [$]36, R[0-9]*, [$]29, R" + io64[3] = (io64[3] >> 28) & 0x00000007FFFFFFFF // ppc64x: "MOVWZ", "RLWNM [$]1, R[0-9]*, [$]28, [$]3, R" io64[4] = uint64(bits.RotateLeft32(io32[0], 1) & 0xF000000F) |