powerpc/math-emu: Remove the dead code in math.c

The math.c is only built when CONFIG_MATH_EMULATION is enabled.
So we would never get into the case that CONFIG_MATH_EMULATION
is not defined in this file.

Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 0 insertions, 42 deletions

diff --git a/arch/powerpc/math-emu/math.c b/arch/powerpc/math-emu/math.c
index 0328e66e0799..cefb4f2f4039 100644
--- a/arch/powerpc/math-emu/math.c
+++ b/arch/powerpc/math-emu/math.c
@@ -231,47 +231,6 @@ do_mathemu(struct pt_regs *regs)
         if (get_user(insn, (u32 *)pc))
                 return -EFAULT;
 
-#ifndef CONFIG_MATH_EMULATION
-        switch (insn >> 26) {
-        case LFD:
-                idx = (insn >> 16) & 0x1f;
-                sdisp = (insn & 0xffff);
-                op0 = (void *)&current->thread.TS_FPR((insn >> 21) & 0x1f);
-                op1 = (void *)((idx ? regs->gpr[idx] : 0) + sdisp);
-                lfd(op0, op1, op2, op3);
-                break;
-        case LFDU:
-                idx = (insn >> 16) & 0x1f;
-                sdisp = (insn & 0xffff);
-                op0 = (void *)&current->thread.TS_FPR((insn >> 21) & 0x1f);
-                op1 = (void *)((idx ? regs->gpr[idx] : 0) + sdisp);
-                lfd(op0, op1, op2, op3);
-                regs->gpr[idx] = (unsigned long)op1;
-                break;
-        case STFD:
-                idx = (insn >> 16) & 0x1f;
-                sdisp = (insn & 0xffff);
-                op0 = (void *)&current->thread.TS_FPR((insn >> 21) & 0x1f);
-                op1 = (void *)((idx ? regs->gpr[idx] : 0) + sdisp);
-                stfd(op0, op1, op2, op3);
-                break;
-        case STFDU:
-                idx = (insn >> 16) & 0x1f;
-                sdisp = (insn & 0xffff);
-                op0 = (void *)&current->thread.TS_FPR((insn >> 21) & 0x1f);
-                op1 = (void *)((idx ? regs->gpr[idx] : 0) + sdisp);
-                stfd(op0, op1, op2, op3);
-                regs->gpr[idx] = (unsigned long)op1;
-                break;
-        case OP63:
-                op0 = (void *)&current->thread.TS_FPR((insn >> 21) & 0x1f);
-                op1 = (void *)&current->thread.TS_FPR((insn >> 11) & 0x1f);
-                fmr(op0, op1, op2, op3);
-                break;
-        default:
-                goto illegal;
-        }
-#else /* CONFIG_MATH_EMULATION */
         switch (insn >> 26) {
         case LFS:       func = lfs;     type = D;       break;
         case LFSU:      func = lfs;     type = DU;      break;
@@ -485,7 +444,6 @@ do_mathemu(struct pt_regs *regs)
         default:
                 break;
         }
-#endif /* CONFIG_MATH_EMULATION */
 
         regs->nip += 4;
         return 0;