diff options
| -rw-r--r-- | arch/powerpc/lib/sstep.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index 89e5c26e2860..00dae7b7e785 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -1216,6 +1216,16 @@ int analyse_instr(struct instruction_op *op, const struct pt_regs *regs, return 0; case 31: + /* isel occupies 32 minor opcodes */ + if (((instr >> 1) & 0x1f) == 15) { + mb = (instr >> 6) & 0x1f; /* bc field */ + val = (regs->ccr >> (31 - mb)) & 1; + val2 = (ra) ? regs->gpr[ra] : 0; + + op->val = (val) ? val2 : regs->gpr[rb]; + goto compute_done; + } + switch ((instr >> 1) & 0x3ff) { case 4: /* tw */ if (rd == 0x1f || @@ -1441,14 +1451,6 @@ int analyse_instr(struct instruction_op *op, const struct pt_regs *regs, /* * Logical instructions */ - case 15: /* isel */ - mb = (instr >> 6) & 0x1f; /* bc */ - val = (regs->ccr >> (31 - mb)) & 1; - val2 = (ra) ? regs->gpr[ra] : 0; - - op->val = (val) ? val2 : regs->gpr[rb]; - goto compute_done; - case 26: /* cntlzw */ op->val = __builtin_clz((unsigned int) regs->gpr[rd]); goto logical_done; |