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xtensa.c (gen_int_relational): Use gcc_assert and gcc_unreachable as appropriate.

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* config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
	gcc_unreachable as appropriate.
	(gen_conditional_move, xtensa_split_operand_pair,
	xtensa_split_operand_pair, xtensa_copy_incoming_a7,
	xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
	xtensa_copy_incoming_a7, xtensa_output_literal,
	xtensa_output_literal, xtensa_output_literal): Likewise.
	* config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
	* config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
	*bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
	movsicc_internal1, movsfcc_internal0,
	movsfcc_internal1): Likewise.

From-SVN: r98979
This commit is contained in:
Nathan Sidwell 2005-04-29 07:04:49 +00:00 • committed by Nathan Sidwell
parent 542f0c7291
commit 177b6be0d9
4 changed files with 91 additions and 84 deletions
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15
gcc/ChangeLog
View file

@ -1,3 +1,18 @@
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,
xtensa_split_operand_pair, xtensa_copy_incoming_a7,
xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
xtensa_copy_incoming_a7, xtensa_output_literal,
xtensa_output_literal, xtensa_output_literal): Likewise.
* config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
* config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
*bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
movsicc_internal1, movsfcc_internal0,
movsfcc_internal1): Likewise.
2005-04-28 James E Wilson <wilson@specifixinc.com>
* config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.

42
gcc/config/xtensa/xtensa.c
View file

@ -667,8 +667,7 @@ gen_int_relational (enum rtx_code test_code, /* relational test (EQ, etc) */
struct cmp_info *p_info;
test = map_test_to_internal_test (test_code);
if (test == ITEST_MAX)
abort ();
gcc_assert (test != ITEST_MAX);
p_info = &info[ (int)test ];
@ -864,7 +863,7 @@ gen_conditional_move (rtx cmp)
{
case LT: code = GE; break;
case GE: code = LT; break;
default: abort ();
default: gcc_unreachable ();
}
}
@ -956,7 +955,7 @@ xtensa_split_operand_pair (rtx operands[4], enum machine_mode mode)
break;
default:
abort ();
gcc_unreachable ();
}
switch (GET_CODE (operands[0]))
@ -972,7 +971,7 @@ xtensa_split_operand_pair (rtx operands[4], enum machine_mode mode)
break;
default:
abort ();
gcc_unreachable ();
}
}
@ -1076,8 +1075,7 @@ xtensa_copy_incoming_a7 (rtx opnd)
return opnd;
/* This function should never be called again once a7 has been copied. */
if (cfun->machine->set_frame_ptr_insn)
abort ();
gcc_assert (!cfun->machine->set_frame_ptr_insn);
mode = GET_MODE (opnd);
@ -1086,8 +1084,7 @@ xtensa_copy_incoming_a7 (rtx opnd)
reg = opnd;
if (GET_CODE (reg) == SUBREG)
{
if (SUBREG_BYTE (reg) != 0)
abort ();
gcc_assert (SUBREG_BYTE (reg) == 0);
reg = SUBREG_REG (reg);
}
if (GET_CODE (reg) != REG
@ -1096,8 +1093,7 @@ xtensa_copy_incoming_a7 (rtx opnd)
return opnd;
/* 1-word args will always be in a7; 2-word args in a6/a7. */
if (REGNO (reg) + HARD_REGNO_NREGS (A7_REG, mode) - 1 != A7_REG)
abort ();
gcc_assert (REGNO (reg) + HARD_REGNO_NREGS (A7_REG, mode) - 1 == A7_REG);
cfun->machine->need_a7_copy = false;
@ -1129,7 +1125,7 @@ xtensa_copy_incoming_a7 (rtx opnd)
emit_insn (gen_movqi_internal (tmp, gen_raw_REG (mode, A7_REG)));
break;
default:
abort ();
gcc_unreachable ();
}
cfun->machine->set_frame_ptr_insn = emit_insn (gen_set_frame_ptr ());
@ -1838,8 +1834,7 @@ xtensa_output_literal (FILE *file, rtx x, enum machine_mode mode, int labelno)
switch (GET_MODE_CLASS (mode))
{
case MODE_FLOAT:
if (GET_CODE (x) != CONST_DOUBLE)
abort ();
gcc_assert (GET_CODE (x) == CONST_DOUBLE);
REAL_VALUE_FROM_CONST_DOUBLE (r, x);
switch (mode)
@ -1856,7 +1851,7 @@ xtensa_output_literal (FILE *file, rtx x, enum machine_mode mode, int labelno)
break;
default:
abort ();
gcc_unreachable ();
}
break;
@ -1864,24 +1859,27 @@ xtensa_output_literal (FILE *file, rtx x, enum machine_mode mode, int labelno)
case MODE_INT:
case MODE_PARTIAL_INT:
size = GET_MODE_SIZE (mode);
if (size == 4)
switch (size)
{
case 4:
output_addr_const (file, x);
fputs ("\n", file);
}
else if (size == 8)
{
break;
case 8:
output_addr_const (file, operand_subword (x, 0, 0, DImode));
fputs (", ", file);
output_addr_const (file, operand_subword (x, 1, 0, DImode));
fputs ("\n", file);
break;
default:
gcc_unreachable ();
}
else
abort ();
break;
default:
abort ();
gcc_unreachable ();
}
}

17
gcc/config/xtensa/xtensa.h
View file

@ -588,12 +588,17 @@ extern enum reg_class xtensa_char_to_class[256];
#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
do { \
compute_frame_size (get_frame_size ()); \
if ((FROM) == FRAME_POINTER_REGNUM) \
(OFFSET) = 0; \
else if ((FROM) == ARG_POINTER_REGNUM) \
(OFFSET) = xtensa_current_frame_size; \
else \
abort (); \
switch (FROM) \
{ \
case FRAME_POINTER_REGNUM: \
(OFFSET) = 0; \
break; \
case ARG_POINTER_REGNUM: \
(OFFSET) = xtensa_current_frame_size; \
break; \
default: \
gcc_unreachable (); \
} \
} while (0)
/* If defined, the maximum amount of space required for outgoing

101
gcc/config/xtensa/xtensa.md
View file

@ -1326,7 +1326,7 @@
case NE: return "bne\t%0, %1, %2";
case LT: return "blt\t%0, %1, %2";
case GE: return "bge\t%0, %1, %2";
default: break;
default: gcc_unreachable ();
}
}
else if (INTVAL (operands[1]) == 0)
@ -1341,7 +1341,7 @@
: "bnez\t%0, %2");
case LT: return "bltz\t%0, %2";
case GE: return "bgez\t%0, %2";
default: break;
default: gcc_unreachable ();
}
}
else
@ -1352,11 +1352,10 @@
case NE: return "bnei\t%0, %d1, %2";
case LT: return "blti\t%0, %d1, %2";
case GE: return "bgei\t%0, %d1, %2";
default: break;
default: gcc_unreachable ();
}
}
abort ();
return "";
gcc_unreachable ();
}
[(set_attr "type" "jump,jump")
(set_attr "mode" "none")
@ -1379,7 +1378,7 @@
case NE: return "beq\t%0, %1, %2";
case LT: return "bge\t%0, %1, %2";
case GE: return "blt\t%0, %1, %2";
default: break;
default: gcc_unreachable ();
}
}
else if (INTVAL (operands[1]) == 0)
@ -1394,7 +1393,7 @@
: "beqz\t%0, %2");
case LT: return "bgez\t%0, %2";
case GE: return "bltz\t%0, %2";
default: break;
default: gcc_unreachable ();
}
}
else
@ -1405,11 +1404,10 @@
case NE: return "beqi\t%0, %d1, %2";
case LT: return "bgei\t%0, %d1, %2";
case GE: return "blti\t%0, %d1, %2";
default: break;
default: gcc_unreachable ();
}
}
abort ();
return "";
gcc_unreachable ();
}
[(set_attr "type" "jump,jump")
(set_attr "mode" "none")
@ -1430,7 +1428,7 @@
{
case LTU: return "bltu\t%0, %1, %2";
case GEU: return "bgeu\t%0, %1, %2";
default: break;
default: gcc_unreachable ();
}
}
else
@ -1439,11 +1437,10 @@
{
case LTU: return "bltui\t%0, %d1, %2";
case GEU: return "bgeui\t%0, %d1, %2";
default: break;
default: gcc_unreachable ();
}
}
abort ();
return "";
gcc_unreachable ();
}
[(set_attr "type" "jump,jump")
(set_attr "mode" "none")
@ -1464,7 +1461,7 @@
{
case LTU: return "bgeu\t%0, %1, %2";
case GEU: return "bltu\t%0, %1, %2";
default: break;
default: gcc_unreachable ();
}
}
else
@ -1473,11 +1470,10 @@
{
case LTU: return "bgeui\t%0, %d1, %2";
case GEU: return "bltui\t%0, %d1, %2";
default: break;
default: gcc_unreachable ();
}
}
abort ();
return "";
gcc_unreachable ();
}
[(set_attr "type" "jump,jump")
(set_attr "mode" "none")
@ -1505,7 +1501,7 @@
{
case EQ: return "bbci\t%0, %d1, %2";
case NE: return "bbsi\t%0, %d1, %2";
default: break;
default: gcc_unreachable ();
}
}
else
@ -1514,11 +1510,10 @@
{
case EQ: return "bbc\t%0, %1, %2";
case NE: return "bbs\t%0, %1, %2";
default: break;
default: gcc_unreachable ();
}
}
abort ();
return "";
gcc_unreachable ();
}
[(set_attr "type" "jump")
(set_attr "mode" "none")
@ -1544,7 +1539,7 @@
{
case EQ: return "bbsi\t%0, %d1, %2";
case NE: return "bbci\t%0, %d1, %2";
default: break;
default: gcc_unreachable ();
}
}
else
@ -1553,11 +1548,10 @@
{
case EQ: return "bbs\t%0, %1, %2";
case NE: return "bbc\t%0, %1, %2";
default: break;
default: gcc_unreachable ();
}
}
abort ();
return "";
gcc_unreachable ();
}
[(set_attr "type" "jump")
(set_attr "mode" "none")
@ -1577,10 +1571,8 @@
{
case EQ: return "bnone\t%0, %1, %2";
case NE: return "bany\t%0, %1, %2";
default: break;
default: gcc_unreachable ();
}
abort ();
return "";
}
[(set_attr "type" "jump")
(set_attr "mode" "none")
@ -1600,10 +1592,8 @@
{
case EQ: return "bany\t%0, %1, %2";
case NE: return "bnone\t%0, %1, %2";
default: break;
default: gcc_unreachable ();
}
abort ();
return "";
}
[(set_attr "type" "jump")
(set_attr "mode" "none")
@ -1758,7 +1748,7 @@
case NE: return "movnez\t%0, %2, %1";
case LT: return "movltz\t%0, %2, %1";
case GE: return "movgez\t%0, %2, %1";
default: break;
default: gcc_unreachable ();
}
}
else
@ -1769,11 +1759,10 @@
case NE: return "moveqz\t%0, %3, %1";
case LT: return "movgez\t%0, %3, %1";
case GE: return "movltz\t%0, %3, %1";
default: break;
default: gcc_unreachable ();
}
}
abort ();
return "";
gcc_unreachable ();
}
[(set_attr "type" "move,move")
(set_attr "mode" "SI")
@ -1797,9 +1786,9 @@
case 1:
if (isEq) return "movt\t%0, %3, %1";
return "movf\t%0, %3, %1";
default:
gcc_unreachable ();
}
abort ();
return "";
}
[(set_attr "type" "move,move")
(set_attr "mode" "SI")
@ -1814,52 +1803,52 @@
(match_operand:SF 3 "register_operand" "0,r,0,f")))]
""
{
if (which_alternative == 0)
switch (which_alternative)
{
case 0:
switch (GET_CODE (operands[4]))
{
case EQ: return "moveqz\t%0, %2, %1";
case NE: return "movnez\t%0, %2, %1";
case LT: return "movltz\t%0, %2, %1";
case GE: return "movgez\t%0, %2, %1";
default: break;
default: gcc_unreachable ();
}
}
else if (which_alternative == 1)
{
break;
case 1:
switch (GET_CODE (operands[4]))
{
case EQ: return "movnez\t%0, %3, %1";
case NE: return "moveqz\t%0, %3, %1";
case LT: return "movgez\t%0, %3, %1";
case GE: return "movltz\t%0, %3, %1";
default: break;
default: gcc_unreachable ();
}
}
else if (which_alternative == 2)
{
break;
case 2:
switch (GET_CODE (operands[4]))
{
case EQ: return "moveqz.s %0, %2, %1";
case NE: return "movnez.s %0, %2, %1";
case LT: return "movltz.s %0, %2, %1";
case GE: return "movgez.s %0, %2, %1";
default: break;
default: gcc_unreachable ();
}
}
else if (which_alternative == 3)
{
break;
case 3:
switch (GET_CODE (operands[4]))
{
case EQ: return "movnez.s %0, %3, %1";
case NE: return "moveqz.s %0, %3, %1";
case LT: return "movgez.s %0, %3, %1";
case GE: return "movltz.s %0, %3, %1";
default: break;
default: gcc_unreachable ();
}
break;
default:
gcc_unreachable ();
}
abort ();
return "";
gcc_unreachable ();
}
[(set_attr "type" "move,move,move,move")
(set_attr "mode" "SF")
@ -1889,9 +1878,9 @@
case 3:
if (isEq) return "movt.s\t%0, %3, %1";
return "movf.s\t%0, %3, %1";
default:
gcc_unreachable ();
}
abort ();
return "";
}
[(set_attr "type" "move,move,move,move")
(set_attr "mode" "SF")