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| author | Sean Paul <seanpaul@chromium.org> | 2017-07-17 18:43:05 +0300 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2017-07-17 18:56:07 +0300 |
| commit | ef434a0c2ce765ad33026375db7d23aebd5e9532 (patch) | |
| tree | 4bdac59f0bac3a6508741e6bd62da6e770fc3bc1 /arch/sparc/lib/multi3.S | |
| parent | 76250f2b743b72cb685cc51ac0cdabb32957180b (diff) | |
| parent | 1ed134e6526b1b513a14fba938f6d96aa1c7f3dd (diff) | |
| download | linux-ef434a0c2ce765ad33026375db7d23aebd5e9532.tar.xz | |
Merge branch 'drm-misc-next-fixes' into drm-misc-fixes
Pick up
1ed134e6526b drm/vc4: Fix VBLANK handling in crtc->enable() path
From drm-misc-next-fixes, it was applied after the last pull request
was sent from that branch. We'll send it through drm-fixes instead.
Diffstat (limited to 'arch/sparc/lib/multi3.S')
| -rw-r--r-- | arch/sparc/lib/multi3.S | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/sparc/lib/multi3.S b/arch/sparc/lib/multi3.S new file mode 100644 index 000000000000..d6b6c97fe3c7 --- /dev/null +++ b/arch/sparc/lib/multi3.S @@ -0,0 +1,35 @@ +#include <linux/linkage.h> +#include <asm/export.h> + + .text + .align 4 +ENTRY(__multi3) /* %o0 = u, %o1 = v */ + mov %o1, %g1 + srl %o3, 0, %g4 + mulx %g4, %g1, %o1 + srlx %g1, 0x20, %g3 + mulx %g3, %g4, %g5 + sllx %g5, 0x20, %o5 + srl %g1, 0, %g4 + sub %o1, %o5, %o5 + srlx %o5, 0x20, %o5 + addcc %g5, %o5, %g5 + srlx %o3, 0x20, %o5 + mulx %g4, %o5, %g4 + mulx %g3, %o5, %o5 + sethi %hi(0x80000000), %g3 + addcc %g5, %g4, %g5 + srlx %g5, 0x20, %g5 + add %g3, %g3, %g3 + movcc %xcc, %g0, %g3 + addcc %o5, %g5, %o5 + sllx %g4, 0x20, %g4 + add %o1, %g4, %o1 + add %o5, %g3, %g2 + mulx %g1, %o2, %g1 + add %g1, %g2, %g1 + mulx %o0, %o3, %o0 + retl + add %g1, %o0, %o0 +ENDPROC(__multi3) +EXPORT_SYMBOL(__multi3) |