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sim: arm: fix -Wimplicit-fallthrough warnings

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Replace some fall through comments with the attribute.
This commit is contained in:
Mike Frysinger 2023-12-21 01:28:16 -05:00
parent 5e6951299a
commit beb9aecf12
4 changed files with 10 additions and 8 deletions
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6
sim/arm/armemu.c
View File

@ -4388,7 +4388,7 @@ check_PMUintr:
ARMul_UndefInstr (state, instr);
break;
}
/* Drop through. */
ATTRIBUTE_FALLTHROUGH;
case 0xc0: /* Store , No WriteBack , Post Dec. */
ARMul_STC (state, instr, LHS);
@ -4435,7 +4435,7 @@ check_PMUintr:
ARMul_UndefInstr (state, instr);
break;
}
/* Drop through. */
ATTRIBUTE_FALLTHROUGH;
case 0xc1: /* Load , No WriteBack , Post Dec. */
ARMul_LDC (state, instr, LHS);
@ -4622,7 +4622,7 @@ check_PMUintr:
default:
break;
}
/* Drop through. */
ATTRIBUTE_FALLTHROUGH;
case 0xe0:
case 0xe4:

1
sim/arm/armos.c
View File

@ -832,6 +832,7 @@ ARMul_OSHandleSWI (ARMul_State * state, ARMword number)
}
break;
}
ATTRIBUTE_FALLTHROUGH;
default:
unhandled = TRUE;

7
sim/arm/thumbemu.c
View File

@ -308,7 +308,7 @@ handle_T2_insn (ARMul_State * state,
* pvalid = t_branch;
break;
}
/* Fall through. */
ATTRIBUTE_FALLTHROUGH;
case 0x42:
case 0x43:
case 0x47:
@ -2261,7 +2261,7 @@ ARMul_ThumbDecode (ARMul_State * state,
| ((tinstr & 0x0078) >> 3); /* Rd */
break;
}
/* Drop through. */
ATTRIBUTE_FALLTHROUGH;
default:
case 0x0: /* UNDEFINED */
case 0x4: /* UNDEFINED */
@ -2415,7 +2415,7 @@ ARMul_ThumbDecode (ARMul_State * state,
* ainstr = 0xE1200070 | ((tinstr & 0xf0) << 4) | (tinstr & 0xf);
break;
}
/* Drop through. */
ATTRIBUTE_FALLTHROUGH;
default:
/* Everything else is an undefined instruction. */
handle_v6_thumb_insn (state, tinstr, next_instr, pc, ainstr, & valid);
@ -2601,6 +2601,7 @@ ARMul_ThumbDecode (ARMul_State * state,
}
/* else we fall through to process the second half of the BL */
pc += 2; /* point the pc at the 2nd half */
ATTRIBUTE_FALLTHROUGH;
case 31: /* BL instruction 2 */
if (state->is_v6)
{

4
sim/arm/wrapper.c
View File

@ -251,7 +251,7 @@ sim_create_inferior (SIM_DESC sd ATTRIBUTE_UNUSED,
(sim_callback,
"Unknown machine type '%d'; please update sim_create_inferior.\n",
mach);
/* fall through */
ATTRIBUTE_FALLTHROUGH;
case 0:
/* We wouldn't set the machine type with earlier toolchains, so we
@ -310,7 +310,7 @@ sim_create_inferior (SIM_DESC sd ATTRIBUTE_UNUSED,
ARMul_SelectProcessor (state, ARM_v5_Prop | ARM_v5e_Prop | ARM_XScale_Prop);
break;
}
/* Otherwise drop through. */
ATTRIBUTE_FALLTHROUGH;
case bfd_mach_arm_5T:
ARMul_SelectProcessor (state, ARM_v5_Prop);