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riscv-gcc-1
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lvzhengyang
riscv-gcc-1
Commits
f5902869
Commit
f5902869
authored
Jun 27, 1992
by
Tom Wood
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*** empty log message ***
From-SVN: r1306
parent
9aea9597
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gcc/fold-const.c
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gcc/fold-const.c
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f5902869
...
...
@@ -2399,7 +2399,13 @@ range_test (jcode, type, lo_code, hi_code, var, lo_cst, hi_cst)
/* When normalizing, it is possible to both increment the smaller constant
and decrement the larger constant. See if they are still ordered. */
if
(
tree_int_cst_lt
(
lo_cst
,
hi_cst
))
if
(
tree_int_cst_lt
(
hi_cst
,
lo_cst
))
return
0
;
/* Fail if VAR isn't an integer. */
utype
=
TREE_TYPE
(
var
);
if
(
TREE_CODE
(
utype
)
!=
INTEGER_TYPE
&&
TREE_CODE
(
utype
)
!=
ENUMERAL_TYPE
)
return
0
;
/* The range test is invalid if subtracting the two constants results
...
...
@@ -2408,7 +2414,6 @@ range_test (jcode, type, lo_code, hi_code, var, lo_cst, hi_cst)
||
!
int_fits_type_p
(
lo_cst
,
TREE_TYPE
(
var
)))
return
0
;
utype
=
TREE_TYPE
(
var
);
if
(
!
TREE_UNSIGNED
(
utype
))
{
utype
=
unsigned_type
(
utype
);
...
...
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