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re PR c++/30022 (ICE on vector operand in division)

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PR c++/30022
	* typeck.c (type_after_usual_arithmetic_conversions):
	Fix assertion for vector types.
	(build_binary_op): Use temporary for inner type of vector types.

	* g++.dg/ext/vector5.C: New test.

From-SVN: r119416
This commit is contained in:
Volker Reichelt 2006-12-01 21:35:25 +00:00 • committed by Volker Reichelt
parent d8e1d61976
commit 01c15146e4
4 changed files with 26 additions and 6 deletions
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7
gcc/cp/ChangeLog
View file

@ -1,3 +1,10 @@
2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR c++/30022
* typeck.c (type_after_usual_arithmetic_conversions):
Fix assertion for vector types.
(build_binary_op): Use temporary for inner type of vector types.
2006-12-01 Ryan Mansfield <rmansfield@qnx.com>
PR c++/29066

14
gcc/cp/typeck.c
View file

@ -262,7 +262,7 @@ type_after_usual_arithmetic_conversions (tree t1, tree t2)
|| TREE_CODE (t1) == ENUMERAL_TYPE);
gcc_assert (ARITHMETIC_TYPE_P (t2)
|| TREE_CODE (t2) == COMPLEX_TYPE
|| TREE_CODE (t1) == VECTOR_TYPE
|| TREE_CODE (t2) == VECTOR_TYPE
|| TREE_CODE (t2) == ENUMERAL_TYPE);
/* In what follows, we slightly generalize the rules given in [expr] so
@ -3093,17 +3093,19 @@ build_binary_op (enum tree_code code, tree orig_op0, tree orig_op1,
&& (code1 == INTEGER_TYPE || code1 == REAL_TYPE
|| code1 == COMPLEX_TYPE || code1 == VECTOR_TYPE))
{
enum tree_code tcode0 = code0, tcode1 = code1;
if (TREE_CODE (op1) == INTEGER_CST && integer_zerop (op1))
warning (OPT_Wdiv_by_zero, "division by zero in %<%E / 0%>", op0);
else if (TREE_CODE (op1) == REAL_CST && real_zerop (op1))
warning (OPT_Wdiv_by_zero, "division by zero in %<%E / 0.%>", op0);
if (code0 == COMPLEX_TYPE || code0 == VECTOR_TYPE)
code0 = TREE_CODE (TREE_TYPE (TREE_TYPE (op0)));
if (code1 == COMPLEX_TYPE || code1 == VECTOR_TYPE)
code1 = TREE_CODE (TREE_TYPE (TREE_TYPE (op1)));
if (tcode0 == COMPLEX_TYPE || tcode0 == VECTOR_TYPE)
tcode0 = TREE_CODE (TREE_TYPE (TREE_TYPE (op0)));
if (tcode1 == COMPLEX_TYPE || tcode1 == VECTOR_TYPE)
tcode1 = TREE_CODE (TREE_TYPE (TREE_TYPE (op1)));
if (!(code0 == INTEGER_TYPE && code1 == INTEGER_TYPE))
if (!(tcode0 == INTEGER_TYPE && tcode1 == INTEGER_TYPE))
resultcode = RDIV_EXPR;
else
/* When dividing two signed integers, we have to promote to int.

3
gcc/testsuite/ChangeLog
View file

@ -1,5 +1,8 @@
2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR c++/30022
* g++.dg/ext/vector5.C: New test.
PR c++/30021
* g++.dg/other/main1.C: New test.

8
gcc/testsuite/g++.dg/ext/vector5.C Normal file
View file

@ -0,0 +1,8 @@
// PR c++/30022
// { dg-do compile }
void foo()
{
int __attribute__((vector_size(8))) v;
v = 1/v; // { dg-error "invalid operands of types" }
}