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gdb: 

* valarith.c (value_pos, value_neg, value_complement): Handle
	vector types.
	* valops.c (value_one): Likewise.

gdb/testsuite:
	* gdb.base/gnu_vector.exp: Add unary operator tests.
This commit is contained in:
Ken Werner 2010-11-03 14:06:27 +00:00
parent c37f7098e9
commit 120bd36024
5 changed files with 78 additions and 5 deletions
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6
gdb/ChangeLog
View File

@ -1,3 +1,9 @@
2010-11-03 Ken Werner <ken.werner@de.ibm.com>
* valarith.c (value_pos, value_neg, value_complement): Handle
vector types.
* valops.c (value_one): Likewise.
2010-11-03 Ken Werner <ken.werner@de.ibm.com>
* value.h (value_non_lval): Declare.

4
gdb/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2010-11-03 Ken Werner <ken.werner@de.ibm.com>
* gdb.base/gnu_vector.exp: Add unary operator tests.
2010-11-03 Ken Werner <ken.werner@de.ibm.com>
* gdb.base/exprs.exp: Add tests for pre-/post- in-/decrement operators.

14
gdb/testsuite/gdb.base/gnu_vector.exp
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@ -50,7 +50,7 @@ if { ![runto main] } {
gdb_test "print c4" "\\\$$decimal = \\{1, 2, 3, 4\\}"
gdb_test "print c4\[2\]" "\\\$$decimal = 3"
# Test binary operators on integer vector types
# Test operators on integer vector types
gdb_test "print i4a" "\\\$$decimal = \\{2, 4, 8, 16\\}"
gdb_test "print i4b" "\\\$$decimal = \\{1, 2, 8, 4\\}"
# Arithmetic operators
@ -59,15 +59,23 @@ gdb_test "print i4a - i4b" "\\\$$decimal = \\{1, 2, 0, 12\\}"
gdb_test "print i4a * i4b" "\\\$$decimal = \\{2, 8, 64, 64\\}"
gdb_test "print i4a / i4b" "\\\$$decimal = \\{2, 2, 1, 4\\}"
gdb_test "print i4a % i4b" "\\\$$decimal = \\{0, 0, 0, 0\\}"
gdb_test "print i4a++" "\\\$$decimal = \\{2, 4, 8, 16\\}"
gdb_test "print ++i4a" "\\\$$decimal = \\{4, 6, 10, 18\\}"
gdb_test "print i4a--" "\\\$$decimal = \\{4, 6, 10, 18\\}"
gdb_test "print --i4a" "\\\$$decimal = \\{2, 4, 8, 16\\}"
gdb_test "print +i4a" "\\\$$decimal = \\{2, 4, 8, 16\\}"
gdb_test "print -i4a" "\\\$$decimal = \\{-2, -4, -8, -16\\}"
# Bitwise operators
gdb_test "print i4a & i4b" "\\\$$decimal = \\{0, 0, 8, 0\\}"
gdb_test "print i4a | i4b" "\\\$$decimal = \\{3, 6, 8, 20\\}"
gdb_test "print i4a ^ i4b" "\\\$$decimal = \\{3, 6, 0, 20\\}"
gdb_test "print ~i4a" "\\\$$decimal = \\{-3, -5, -9, -17\\}"
# Shift operators
gdb_test "print i4a << i4b" "\\\$$decimal = \\{4, 16, 2048, 256\\}"
gdb_test "print i4a >> i4b" "\\\$$decimal = \\{1, 1, 0, 1\\}"
# Test binary operators on floating point vector types
# Test operators on floating point vector types
gdb_test "print f4a" "\\\$$decimal = \\{2, 4, 8, 16\\}"
gdb_test "print f4b" "\\\$$decimal = \\{1, 2, 8, 4\\}"
# Arithmetic operators
@ -75,6 +83,8 @@ gdb_test "print f4a + f4b" "\\\$$decimal = \\{3, 6, 16, 20\\}"
gdb_test "print f4a - f4b" "\\\$$decimal = \\{1, 2, 0, 12\\}"
gdb_test "print f4a * f4b" "\\\$$decimal = \\{2, 8, 64, 64\\}"
gdb_test "print f4a / f4b" "\\\$$decimal = \\{2, 2, 1, 4\\}"
gdb_test "print +f4a" "\\\$$decimal = \\{2, 4, 8, 16\\}"
gdb_test "print -f4a" "\\\$$decimal = \\{-2, -4, -8, -16\\}"
# Test scalar to vector widening
gdb_test "print (int2) 1" "\\\$$decimal = \\{1, 1\\}"

45
gdb/valarith.c
View File

@ -1712,6 +1712,14 @@ value_pos (struct value *arg1)
{
return value_from_longest (type, value_as_long (arg1));
}
else if (TYPE_CODE (type) == TYPE_CODE_ARRAY && TYPE_VECTOR (type))
{
struct value *val = allocate_value (type);
memcpy (value_contents_raw (val), value_contents (arg1),
TYPE_LENGTH (type));
return val;
}
else
{
error ("Argument to positive operation not a number.");
@ -1749,6 +1757,20 @@ value_neg (struct value *arg1)
{
return value_from_longest (type, -value_as_long (arg1));
}
else if (TYPE_CODE (type) == TYPE_CODE_ARRAY && TYPE_VECTOR (type))
{
struct value *tmp, *val = allocate_value (type);
struct type *eltype = check_typedef (TYPE_TARGET_TYPE (type));
int i, n = TYPE_LENGTH (type) / TYPE_LENGTH (eltype);
for (i = 0; i < n; i++)
{
tmp = value_neg (value_subscript (arg1, i));
memcpy (value_contents_writeable (val) + i * TYPE_LENGTH (eltype),
value_contents_all (tmp), TYPE_LENGTH (eltype));
}
return val;
}
else
{
error (_("Argument to negate operation not a number."));
@ -1760,14 +1782,31 @@ struct value *
value_complement (struct value *arg1)
{
struct type *type;
struct value *val;
arg1 = coerce_ref (arg1);
type = check_typedef (value_type (arg1));
if (!is_integral_type (type))
error (_("Argument to complement operation not an integer or boolean."));
if (is_integral_type (type))
val = value_from_longest (type, ~value_as_long (arg1));
else if (TYPE_CODE (type) == TYPE_CODE_ARRAY && TYPE_VECTOR (type))
{
struct value *tmp;
struct type *eltype = check_typedef (TYPE_TARGET_TYPE (type));
int i, n = TYPE_LENGTH (type) / TYPE_LENGTH (eltype);
return value_from_longest (type, ~value_as_long (arg1));
val = allocate_value (type);
for (i = 0; i < n; i++)
{
tmp = value_complement (value_subscript (arg1, i));
memcpy (value_contents_writeable (val) + i * TYPE_LENGTH (eltype),
value_contents_all (tmp), TYPE_LENGTH (eltype));
}
}
else
error (_("Argument to complement operation not an integer, boolean."));
return val;
}
/* The INDEX'th bit of SET value whose value_type is TYPE,

14
gdb/valops.c
View File

@ -871,6 +871,20 @@ value_one (struct type *type, enum lval_type lv)
{
val = value_from_longest (type, (LONGEST) 1);
}
else if (TYPE_CODE (type1) == TYPE_CODE_ARRAY && TYPE_VECTOR (type1))
{
struct type *eltype = check_typedef (TYPE_TARGET_TYPE (type1));
int i, n = TYPE_LENGTH (type1) / TYPE_LENGTH (eltype);
struct value *tmp;
val = allocate_value (type);
for (i = 0; i < n; i++)
{
tmp = value_one (eltype, lv);
memcpy (value_contents_writeable (val) + i * TYPE_LENGTH (eltype),
value_contents_all (tmp), TYPE_LENGTH (eltype));
}
}
else
{
error (_("Not a numeric type."));