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| author | Michael Ellerman <mpe@ellerman.id.au> | 2017-11-10 20:55:03 +1100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-11-10 20:55:03 +1100 |
| commit | a54c61f46e25345e99eec06a402f746fe33febc6 (patch) | |
| tree | 23f59fe8702aaf90802cef6f25e76c15211747e1 /arch/powerpc/lib | |
| parent | 77fad8bfb1d2f8225b05e4ea34457875fcfae37e (diff) | |
| parent | 7ecb37f62fe58e3e4d9b03443b92d213b2c108ce (diff) | |
Merge branch 'fixes' into next
We have some dependencies & conflicts between patches in fixes and
things to go in next, both in the radix TLB flush code and the IMC PMU
driver. So merge fixes into next.
Diffstat (limited to 'arch/powerpc/lib')
| -rw-r--r-- | arch/powerpc/lib/sstep.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index 5118110c3983..8c3955e183d4 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -1699,11 +1699,13 @@ int analyse_instr(struct instruction_op *op, const struct pt_regs *regs, * Logical instructions */ case 26: /* cntlzw */ - op->val = __builtin_clz((unsigned int) regs->gpr[rd]); + val = (unsigned int) regs->gpr[rd]; + op->val = ( val ? __builtin_clz(val) : 32 ); goto logical_done; #ifdef __powerpc64__ case 58: /* cntlzd */ - op->val = __builtin_clzl(regs->gpr[rd]); + val = regs->gpr[rd]; + op->val = ( val ? __builtin_clzl(val) : 64 ); goto logical_done; #endif case 28: /* and */ |