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authorDavid Daney <david.daney@cavium.com>2013-08-19 12:10:35 -0700
committerRalf Baechle <ralf@linux-mips.org>2013-08-26 15:33:40 +0200
commit36b0f79b3087f4e4863ce1253df605e809e74531 (patch)
treed1c13e94348bb76242d3e47e899b78a27d82dfb9 /arch/mips
parent43d309390349010cd384ab5a0feebf16b03b9a94 (diff)
downloadop-kernel-dev-36b0f79b3087f4e4863ce1253df605e809e74531.zip
op-kernel-dev-36b0f79b3087f4e4863ce1253df605e809e74531.tar.gz
MIPS: Remove unreachable break statements from cp1emu.c
There were many cases of: return something; break; All those break statements are unreachable and thus redundant. Signed-off-by: David Daney <david.daney@cavium.com> Reviewed-by: Aaro Koskinen <aaro.koskinen@iki.fi> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5727/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/math-emu/cp1emu.c27
1 files changed, 0 insertions, 27 deletions
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index 46048d2..efe0088 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -436,7 +436,6 @@ static int microMIPS32_to_MIPS32(union mips_instruction *insn_ptr)
break;
default:
return SIGILL;
- break;
}
break;
case mm_32f_74_op: /* c.cond.fmt */
@@ -451,12 +450,10 @@ static int microMIPS32_to_MIPS32(union mips_instruction *insn_ptr)
break;
default:
return SIGILL;
- break;
}
break;
default:
return SIGILL;
- break;
}
*insn_ptr = mips32_insn;
@@ -491,7 +488,6 @@ int mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
dec_insn.next_pc_inc;
*contpc = regs->regs[insn.mm_i_format.rs];
return 1;
- break;
}
}
break;
@@ -513,7 +509,6 @@ int mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
dec_insn.pc_inc +
dec_insn.next_pc_inc;
return 1;
- break;
case mm_bgezals_op:
case mm_bgezal_op:
regs->regs[31] = regs->cp0_epc +
@@ -530,7 +525,6 @@ int mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
dec_insn.pc_inc +
dec_insn.next_pc_inc;
return 1;
- break;
case mm_blez_op:
if ((long)regs->regs[insn.mm_i_format.rs] <= 0)
*contpc = regs->cp0_epc +
@@ -541,7 +535,6 @@ int mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
dec_insn.pc_inc +
dec_insn.next_pc_inc;
return 1;
- break;
case mm_bgtz_op:
if ((long)regs->regs[insn.mm_i_format.rs] <= 0)
*contpc = regs->cp0_epc +
@@ -552,7 +545,6 @@ int mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
dec_insn.pc_inc +
dec_insn.next_pc_inc;
return 1;
- break;
case mm_bc2f_op:
case mm_bc1f_op:
bc_false = 1;
@@ -580,7 +572,6 @@ int mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
*contpc = regs->cp0_epc +
dec_insn.pc_inc + dec_insn.next_pc_inc;
return 1;
- break;
}
break;
case mm_pool16c_op:
@@ -593,7 +584,6 @@ int mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
case mm_jr16_op:
*contpc = regs->regs[insn.mm_i_format.rs];
return 1;
- break;
}
break;
case mm_beqz16_op:
@@ -605,7 +595,6 @@ int mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
*contpc = regs->cp0_epc +
dec_insn.pc_inc + dec_insn.next_pc_inc;
return 1;
- break;
case mm_bnez16_op:
if ((long)regs->regs[reg16to32map[insn.mm_b1_format.rs]] != 0)
*contpc = regs->cp0_epc +
@@ -615,12 +604,10 @@ int mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
*contpc = regs->cp0_epc +
dec_insn.pc_inc + dec_insn.next_pc_inc;
return 1;
- break;
case mm_b16_op:
*contpc = regs->cp0_epc + dec_insn.pc_inc +
(insn.mm_b0_format.simmediate << 1);
return 1;
- break;
case mm_beq32_op:
if (regs->regs[insn.mm_i_format.rs] ==
regs->regs[insn.mm_i_format.rt])
@@ -632,7 +619,6 @@ int mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
dec_insn.pc_inc +
dec_insn.next_pc_inc;
return 1;
- break;
case mm_bne32_op:
if (regs->regs[insn.mm_i_format.rs] !=
regs->regs[insn.mm_i_format.rt])
@@ -643,7 +629,6 @@ int mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
*contpc = regs->cp0_epc +
dec_insn.pc_inc + dec_insn.next_pc_inc;
return 1;
- break;
case mm_jalx32_op:
regs->regs[31] = regs->cp0_epc +
dec_insn.pc_inc + dec_insn.next_pc_inc;
@@ -652,7 +637,6 @@ int mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
*contpc <<= 28;
*contpc |= (insn.j_format.target << 2);
return 1;
- break;
case mm_jals32_op:
case mm_jal32_op:
regs->regs[31] = regs->cp0_epc +
@@ -665,7 +649,6 @@ int mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
*contpc |= (insn.j_format.target << 1);
set_isa16_mode(*contpc);
return 1;
- break;
}
return 0;
}
@@ -694,7 +677,6 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
case jr_op:
*contpc = regs->regs[insn.r_format.rs];
return 1;
- break;
}
break;
case bcond_op:
@@ -716,7 +698,6 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
dec_insn.pc_inc +
dec_insn.next_pc_inc;
return 1;
- break;
case bgezal_op:
case bgezall_op:
regs->regs[31] = regs->cp0_epc +
@@ -734,7 +715,6 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
dec_insn.pc_inc +
dec_insn.next_pc_inc;
return 1;
- break;
}
break;
case jalx_op:
@@ -752,7 +732,6 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
/* Set microMIPS mode bit: XOR for jalx. */
*contpc ^= bit;
return 1;
- break;
case beq_op:
case beql_op:
if (regs->regs[insn.i_format.rs] ==
@@ -765,7 +744,6 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
dec_insn.pc_inc +
dec_insn.next_pc_inc;
return 1;
- break;
case bne_op:
case bnel_op:
if (regs->regs[insn.i_format.rs] !=
@@ -778,7 +756,6 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
dec_insn.pc_inc +
dec_insn.next_pc_inc;
return 1;
- break;
case blez_op:
case blezl_op:
if ((long)regs->regs[insn.i_format.rs] <= 0)
@@ -790,7 +767,6 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
dec_insn.pc_inc +
dec_insn.next_pc_inc;
return 1;
- break;
case bgtz_op:
case bgtzl_op:
if ((long)regs->regs[insn.i_format.rs] > 0)
@@ -802,7 +778,6 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
dec_insn.pc_inc +
dec_insn.next_pc_inc;
return 1;
- break;
#ifdef CONFIG_CPU_CAVIUM_OCTEON
case lwc2_op: /* This is bbit0 on Octeon */
if ((regs->regs[insn.i_format.rs] & (1ull<<insn.i_format.rt)) == 0)
@@ -856,7 +831,6 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
dec_insn.pc_inc +
dec_insn.next_pc_inc;
return 1;
- break;
case 1: /* bc1t */
case 3: /* bc1tl */
if (fcr31 & (1 << bit))
@@ -868,7 +842,6 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
dec_insn.pc_inc +
dec_insn.next_pc_inc;
return 1;
- break;
}
}
break;
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