2005-04-29 Nathan Sidwell <nathan@codesourcery.com>
+ * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
+ gcc_assert and gcc_unreachable as appropriate.
+ (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
+ const_int_cost, output_move_const_into_data_reg,
+ output_move_qimode, output_move_double, find_addr_reg,
+ print_operand, print_operand_address): Likewise.
+ * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
+ absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
+ sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
+ bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
+ *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
+ conditional_trap): Likewise.
+ * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
+
+2005-04-29 Nathan Sidwell <nathan@codesourcery.com>
+
* config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
gcc_unreachable as appropriate.
(gen_conditional_move, xtensa_split_operand_pair,
m68k_compute_frame_layout ();
- if (from == ARG_POINTER_REGNUM && to == STACK_POINTER_REGNUM)
- return current_frame.offset + current_frame.size + (frame_pointer_needed ? -UNITS_PER_WORD * 2 : -UNITS_PER_WORD);
- else if (from == FRAME_POINTER_REGNUM && to == STACK_POINTER_REGNUM)
- return current_frame.offset + current_frame.size;
-
- abort();
+ gcc_assert (to == STACK_POINTER_REGNUM);
+ switch (from)
+ {
+ case ARG_POINTER_REGNUM:
+ return current_frame.offset + current_frame.size
+ + (frame_pointer_needed ? -UNITS_PER_WORD * 2 : -UNITS_PER_WORD);
+ case FRAME_POINTER_REGNUM:
+ return current_frame.offset + current_frame.size;
+ default:
+ gcc_unreachable ();
+ }
}
/* Refer to the array `regs_ever_live' to determine which registers
break;
default:
- abort ();
+ gcc_unreachable ();
}
/* If the decrement is to be done in SImode, then we have
break;
default:
- abort ();
+ gcc_unreachable ();
}
}
const char *
-output_scc_di(rtx op, rtx operand1, rtx operand2, rtx dest)
+output_scc_di (rtx op, rtx operand1, rtx operand2, rtx dest)
{
rtx loperands[7];
enum rtx_code op_code = GET_CODE (op);
break;
default:
- abort ();
+ gcc_unreachable ();
}
return "";
}
/* First handle a simple SYMBOL_REF or LABEL_REF */
if (GET_CODE (orig) == SYMBOL_REF || GET_CODE (orig) == LABEL_REF)
{
- if (reg == 0)
- abort ();
+ gcc_assert (reg);
pic_ref = gen_rtx_MEM (Pmode,
gen_rtx_PLUS (Pmode,
&& XEXP (XEXP (orig, 0), 0) == pic_offset_table_rtx)
return orig;
- if (reg == 0)
- abort ();
+ gcc_assert (reg);
/* legitimize both operands of the PLUS */
- if (GET_CODE (XEXP (orig, 0)) == PLUS)
- {
- base = legitimize_pic_address (XEXP (XEXP (orig, 0), 0), Pmode, reg);
- orig = legitimize_pic_address (XEXP (XEXP (orig, 0), 1), Pmode,
- base == reg ? 0 : reg);
- }
- else abort ();
+ gcc_assert (GET_CODE (XEXP (orig, 0)) == PLUS);
+
+ base = legitimize_pic_address (XEXP (XEXP (orig, 0), 0), Pmode, reg);
+ orig = legitimize_pic_address (XEXP (XEXP (orig, 0), 1), Pmode,
+ base == reg ? 0 : reg);
if (GET_CODE (orig) == CONST_INT)
return plus_constant (base, INTVAL (orig));
case MOVL :
return 2;
default :
- abort ();
+ gcc_unreachable ();
}
}
case MOVL :
return "move%.l %1,%0";
default :
- abort ();
+ gcc_unreachable ();
}
}
{
/* 68k family always modifies the stack pointer by at least 2, even for
byte pushes. The 5200 (ColdFire) does not do this. */
- if (GET_CODE (operands[0]) == MEM
- && GET_CODE (XEXP (operands[0], 0)) == PRE_DEC
- && XEXP (XEXP (operands[0], 0), 0) == stack_pointer_rtx
- && ! ADDRESS_REG_P (operands[1])
- && ! TARGET_COLDFIRE)
- /* generated by pushqi1 pattern now */
- abort ();
+
+ /* This case is generated by pushqi1 pattern now */
+ gcc_assert (!(GET_CODE (operands[0]) == MEM
+ && GET_CODE (XEXP (operands[0], 0)) == PRE_DEC
+ && XEXP (XEXP (operands[0], 0), 0) == stack_pointer_rtx
+ && ! ADDRESS_REG_P (operands[1])
+ && ! TARGET_COLDFIRE));
/* clr and st insns on 68000 read before writing.
This isn't so on the 68010, but we have no TARGET_68010. */
else
optype1 = RNDOP;
- /* Check for the cases that the operand constraints are not
- supposed to allow to happen. Abort if we get one,
- because generating code for these cases is painful. */
-
- if (optype0 == RNDOP || optype1 == RNDOP)
- abort ();
+ /* Check for the cases that the operand constraints are not supposed
+ to allow to happen. Generating code for these cases is
+ painful. */
+ gcc_assert (optype0 != RNDOP && optype1 != RNDOP);
/* If one operand is decrementing and one is incrementing
decrement the former register explicitly
middlehalf[1] = GEN_INT (l[1]);
latehalf[1] = GEN_INT (l[2]);
}
- else if (CONSTANT_P (operands[1]))
+ else
{
- /* actually, no non-CONST_DOUBLE constant should ever
- appear here. */
- abort ();
- if (GET_CODE (operands[1]) == CONST_INT && INTVAL (operands[1]) < 0)
- latehalf[1] = constm1_rtx;
- else
- latehalf[1] = const0_rtx;
+ /* No non-CONST_DOUBLE constant should ever appear
+ here. */
+ gcc_assert (!CONSTANT_P (operands[1]));
}
}
else
/* If both halves of dest are used in the src memory address,
compute the address into latehalf of dest.
Note that this can't happen if the dest is two data regs. */
-compadr:
+ compadr:
xops[0] = latehalf[0];
xops[1] = XEXP (operands[1], 0);
output_asm_insn ("lea %a1,%0", xops);
goto compadr;
/* JRV says this can't happen: */
- if (addreg0 || addreg1)
- abort ();
+ gcc_assert (!addreg0 && !addreg1);
/* Only the middle reg conflicts; simply put it last. */
output_asm_insn (singlemove_string (operands), operands);
else if (CONSTANT_P (XEXP (addr, 1)))
addr = XEXP (addr, 0);
else
- abort ();
+ gcc_unreachable ();
}
- if (GET_CODE (addr) == REG)
- return addr;
- abort ();
+ gcc_assert (GET_CODE (addr) == REG);
+ return addr;
}
/* Output assembler code to perform a 32-bit 3-operand add. */
else if (letter == 'o')
{
/* This is only for direct addresses with TARGET_PCREL */
- if (GET_CODE (op) != MEM || GET_CODE (XEXP (op, 0)) != SYMBOL_REF
- || !TARGET_PCREL)
- abort ();
+ gcc_assert (GET_CODE (op) == MEM
+ && GET_CODE (XEXP (op, 0)) == SYMBOL_REF
+ && TARGET_PCREL);
output_addr_const (file, XEXP (op, 0));
}
else if (GET_CODE (op) == REG)
#endif
if (offset != 0)
{
- if (addr != 0)
- {
- abort ();
- }
+ gcc_assert (!addr);
addr = offset;
}
if ((reg1 && (GET_CODE (reg1) == SIGN_EXTEND
if (ireg != 0 || breg != 0)
{
int scale = 1;
- if (breg == 0)
- {
- abort ();
- }
- if (! flag_pic && addr && GET_CODE (addr) == LABEL_REF)
- {
- abort ();
- }
+
+ gcc_assert (breg);
+ gcc_assert (flag_pic || !addr || GET_CODE (addr) != LABEL_REF);
+
if (MOTOROLA)
{
if (addr != 0)
"!TARGET_COLDFIRE"
"* return output_move_himode (operands);")
- (define_insn ""
+(define_insn ""
[(set (match_operand:HI 0 "nonimmediate_operand" "=r<Q>,g,U")
(match_operand:HI 1 "general_operand" "g,r<Q>,U"))]
"TARGET_COLDFIRE"
return "add%.l %1,%R0\;addx%.l %3,%0";
}
}
- else if (GET_CODE (operands[0]) == MEM)
+ else
{
+ gcc_assert (GET_CODE (operands[0]) == MEM);
if (GET_CODE (operands[2]) == MEM
&& GET_CODE (XEXP (operands[2], 0)) == PRE_DEC)
return "add%.l %2,%0\;addx%.l %2,%0";
return "add%.l %R2,%1\;move%.l %0,%3\;addx%.l %2,%3\;move%.l %3,%0";
}
}
- else
- abort ();
})
(define_insn "addsi_lshrsi_31"
return "sub%.l %1,%R0\;subx%.l %3,%0";
}
}
- else if (GET_CODE (operands[0]) == MEM)
+ else
{
+ gcc_assert (GET_CODE (operands[0]) == MEM);
if (GET_CODE (operands[2]) == MEM
&& GET_CODE (XEXP (operands[2], 0)) == PRE_DEC)
return "sub%.l %2,%0\;subx%.l %2,%0";
return "sub%.l %R2,%1\;move%.l %0,%3\;subx%.l %2,%3\;move%.l %3,%0";
}
}
- else
- abort ();
})
(define_insn "subsi3"
result = expand_binop (SImode, xor_optab,
operand_subword_force (operands[1], 0, SFmode),
GEN_INT (0x80000000), target, 0, OPTAB_WIDEN);
- if (result == 0)
- abort ();
+ gcc_assert (result);
if (result != target)
emit_move_insn (result, target);
result = expand_binop (SImode, xor_optab,
operand_subword_force (operands[1], 0, DFmode),
GEN_INT (0x80000000), target, 0, OPTAB_WIDEN);
- if (result == 0)
- abort ();
+ gcc_assert (result);
if (result != target)
emit_move_insn (result, target);
result = expand_binop (SImode, and_optab,
operand_subword_force (operands[1], 0, SFmode),
GEN_INT (0x7fffffff), target, 0, OPTAB_WIDEN);
- if (result == 0)
- abort ();
+ gcc_assert (result);
if (result != target)
emit_move_insn (result, target);
result = expand_binop (SImode, and_optab,
operand_subword_force (operands[1], 0, DFmode),
GEN_INT (0x7fffffff), target, 0, OPTAB_WIDEN);
- if (result == 0)
- abort ();
+ gcc_assert (result);
if (result != target)
emit_move_insn (result, target);
(ordered:QI (cc0) (const_int 0)))]
"TARGET_68881 && !TARGET_68060"
{
- if (! m68k_last_compare_had_fp_operands)
- abort ();
+ gcc_assert (m68k_last_compare_had_fp_operands);
m68k_last_compare_had_fp_operands = 0;
})
(unordered:QI (cc0) (const_int 0)))]
"TARGET_68881 && !TARGET_68060"
{
- if (! m68k_last_compare_had_fp_operands)
- abort ();
+ gcc_assert (m68k_last_compare_had_fp_operands);
m68k_last_compare_had_fp_operands = 0;
})
(uneq:QI (cc0) (const_int 0)))]
"TARGET_68881 && !TARGET_68060"
{
- if (! m68k_last_compare_had_fp_operands)
- abort ();
+ gcc_assert (m68k_last_compare_had_fp_operands);
m68k_last_compare_had_fp_operands = 0;
})
(unge:QI (cc0) (const_int 0)))]
"TARGET_68881 && !TARGET_68060"
{
- if (! m68k_last_compare_had_fp_operands)
- abort ();
+ gcc_assert (m68k_last_compare_had_fp_operands);
m68k_last_compare_had_fp_operands = 0;
})
(ungt:QI (cc0) (const_int 0)))]
"TARGET_68881 && !TARGET_68060"
{
- if (! m68k_last_compare_had_fp_operands)
- abort ();
+ gcc_assert (m68k_last_compare_had_fp_operands);
m68k_last_compare_had_fp_operands = 0;
})
(unle:QI (cc0) (const_int 0)))]
"TARGET_68881 && !TARGET_68060"
{
- if (! m68k_last_compare_had_fp_operands)
- abort ();
+ gcc_assert (m68k_last_compare_had_fp_operands);
m68k_last_compare_had_fp_operands = 0;
})
(unlt:QI (cc0) (const_int 0)))]
"TARGET_68881 && !TARGET_68060"
{
- if (! m68k_last_compare_had_fp_operands)
- abort ();
+ gcc_assert (m68k_last_compare_had_fp_operands);
m68k_last_compare_had_fp_operands = 0;
})
(ltgt:QI (cc0) (const_int 0)))]
"TARGET_68881 && !TARGET_68060"
{
- if (! m68k_last_compare_had_fp_operands)
- abort ();
+ gcc_assert (m68k_last_compare_had_fp_operands);
m68k_last_compare_had_fp_operands = 0;
})
(pc)))]
"TARGET_68881"
{
- if (!(cc_prev_status.flags & CC_IN_68881))
- abort ();
+ gcc_assert (cc_prev_status.flags & CC_IN_68881);
return MOTOROLA ? "fbor %l0" : "fjor %l0";
})
(pc)))]
"TARGET_68881"
{
- if (!(cc_prev_status.flags & CC_IN_68881))
- abort ();
+ gcc_assert (cc_prev_status.flags & CC_IN_68881);
return MOTOROLA ? "fbun %l0" : "fjun %l0";
})
(pc)))]
"TARGET_68881"
{
- if (!(cc_prev_status.flags & CC_IN_68881))
- abort ();
+ gcc_assert (cc_prev_status.flags & CC_IN_68881);
return MOTOROLA ? "fbueq %l0" : "fjueq %l0";
})
(pc)))]
"TARGET_68881"
{
- if (!(cc_prev_status.flags & CC_IN_68881))
- abort ();
+ gcc_assert (cc_prev_status.flags & CC_IN_68881);
return MOTOROLA ? "fbuge %l0" : "fjuge %l0";
})
(pc)))]
"TARGET_68881"
{
- if (!(cc_prev_status.flags & CC_IN_68881))
- abort ();
+ gcc_assert (cc_prev_status.flags & CC_IN_68881);
return MOTOROLA ? "fbugt %l0" : "fjugt %l0";
})
(pc)))]
"TARGET_68881"
{
- if (!(cc_prev_status.flags & CC_IN_68881))
- abort ();
+ gcc_assert (cc_prev_status.flags & CC_IN_68881);
return MOTOROLA ? "fbule %l0" : "fjule %l0";
})
(pc)))]
"TARGET_68881"
{
- if (!(cc_prev_status.flags & CC_IN_68881))
- abort ();
+ gcc_assert (cc_prev_status.flags & CC_IN_68881);
return MOTOROLA ? "fbult %l0" : "fjult %l0";
})
(pc)))]
"TARGET_68881"
{
- if (!(cc_prev_status.flags & CC_IN_68881))
- abort ();
+ gcc_assert (cc_prev_status.flags & CC_IN_68881);
return MOTOROLA ? "fbogl %l0" : "fjogl %l0";
})
\f
(label_ref (match_operand 0 "" ""))))]
"TARGET_68881"
{
- if (!(cc_prev_status.flags & CC_IN_68881))
- abort ();
+ gcc_assert (cc_prev_status.flags & CC_IN_68881);
return MOTOROLA ? "fbun %l0" : "fjun %l0";
})
(label_ref (match_operand 0 "" ""))))]
"TARGET_68881"
{
- if (!(cc_prev_status.flags & CC_IN_68881))
- abort ();
+ gcc_assert (cc_prev_status.flags & CC_IN_68881);
return MOTOROLA ? "fbor %l0" : "fjor %l0";
})
(label_ref (match_operand 0 "" ""))))]
"TARGET_68881"
{
- if (!(cc_prev_status.flags & CC_IN_68881))
- abort ();
+ gcc_assert (cc_prev_status.flags & CC_IN_68881);
return MOTOROLA ? "fbogl %l0" : "fjogl %l0";
})
(label_ref (match_operand 0 "" ""))))]
"TARGET_68881"
{
- if (!(cc_prev_status.flags & CC_IN_68881))
- abort ();
+ gcc_assert (cc_prev_status.flags & CC_IN_68881);
return MOTOROLA ? "fbolt %l0" : "fjolt %l0";
})
(label_ref (match_operand 0 "" ""))))]
"TARGET_68881"
{
- if (!(cc_prev_status.flags & CC_IN_68881))
- abort ();
+ gcc_assert (cc_prev_status.flags & CC_IN_68881);
return MOTOROLA ? "fbogt %l0" : "fjogt %l0";
})
(label_ref (match_operand 0 "" ""))))]
"TARGET_68881"
{
- if (!(cc_prev_status.flags & CC_IN_68881))
- abort ();
+ gcc_assert (cc_prev_status.flags & CC_IN_68881);
return MOTOROLA ? "fboge %l0" : "fjoge %l0";
})
(label_ref (match_operand 0 "" ""))))]
"TARGET_68881"
{
- if (!(cc_prev_status.flags & CC_IN_68881))
- abort ();
+ gcc_assert (cc_prev_status.flags & CC_IN_68881);
return MOTOROLA ? "fbueq %l0" : "fjueq %l0";
})
\f
result = expand_binop (SImode, xor_optab,
operand_subword_force (operands[1], 0, XFmode),
GEN_INT (0x80000000), target, 0, OPTAB_WIDEN);
- if (result == 0)
- abort ();
+ gcc_assert (result);
if (result != target)
emit_move_insn (result, target);
result = expand_binop (SImode, and_optab,
operand_subword_force (operands[1], 0, XFmode),
GEN_INT (0x7fffffff), target, 0, OPTAB_WIDEN);
- if (result == 0)
- abort ();
+ gcc_assert (result);
if (result != target)
emit_move_insn (result, target);
case GEU: return "trapcc";
case LE: return "traple";
case LEU: return "trapls";
- default: abort();
+ default: gcc_unreachable ();
}
})
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