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parse.y (patch_binop): Do a type conversion from signed to unsigned and then back to signed when...

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1999-01-18  Andrew Haley  <aph@cygnus.com>
	* parse.y (patch_binop): Do a type conversion from signed to
	unsigned and then back to signed when a ">>>" is found.

From-SVN: r24741
This commit is contained in:
Andrew Haley 1999-01-18 06:29:26 +00:00 committed by Andrew Haley
parent 47c3ed988b
commit 73333a8791
3 changed files with 20 additions and 5 deletions
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5
gcc/java/ChangeLog
View File

@ -1,3 +1,8 @@
1999-01-18 Andrew Haley <aph@cygnus.com>
* parse.y (patch_binop): Do a type conversion from signed to
unsigned and then back to signed when a ">>>" is found.
Sun Jan 17 21:55:42 1999 Jeffrey A Law (law@cygnus.com)
* Makefile.in (zextract.o): Add dependencies.

13
gcc/java/parse.c
View File

@ -2250,7 +2250,7 @@ static const short yycheck[] = { 3,
#define YYPURE 1
/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
#line 3 "/usr/local/share/bison.simple"
#line 3 "/local/aph/tx39/share/bison.simple"
/* Skeleton output parser for bison,
Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.
@ -2443,7 +2443,7 @@ __yy_memcpy (char *to, char *from, int count)
#endif
#endif
#line 196 "/usr/local/share/bison.simple"
#line 196 "/local/aph/tx39/share/bison.simple"
/* The user can define YYPARSE_PARAM as the name of an argument to be passed
into yyparse. The argument should have type void *.
@ -4701,7 +4701,7 @@ case 492:
break;}
}
/* the action file gets copied in in place of this dollarsign */
#line 498 "/usr/local/share/bison.simple"
#line 498 "/local/aph/tx39/share/bison.simple"
yyvsp -= yylen;
yyssp -= yylen;
@ -11599,8 +11599,13 @@ patch_binop (node, wfl_op1, wfl_op2)
/* The >>> operator is a >> operating on unsigned quantities */
if (code == URSHIFT_EXPR && ! flag_emit_class_files)
{
op1 = convert (unsigned_type (prom_type), op1);
tree utype = unsigned_type (prom_type);
op1 = convert (utype, op1);
TREE_SET_CODE (node, RSHIFT_EXPR);
TREE_OPERAND (node, 0) = op1;
TREE_OPERAND (node, 1) = op2;
TREE_TYPE (node) = utype;
return convert (prom_type, node);
}
break;

7
gcc/java/parse.y
View File

@ -8961,8 +8961,13 @@ patch_binop (node, wfl_op1, wfl_op2)
/* The >>> operator is a >> operating on unsigned quantities */
if (code == URSHIFT_EXPR && ! flag_emit_class_files)
{
op1 = convert (unsigned_type (prom_type), op1);
tree utype = unsigned_type (prom_type);
op1 = convert (utype, op1);
TREE_SET_CODE (node, RSHIFT_EXPR);
TREE_OPERAND (node, 0) = op1;
TREE_OPERAND (node, 1) = op2;
TREE_TYPE (node) = utype;
return convert (prom_type, node);
}
break;