https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85450
Bug ID: 85450
Summary: ICE: invalid types in nop conversion during GIMPLE
pass: ompexp
Product: gcc
Version: 8.0.1
Status: UNCONFIRMED
Keywords: openmp
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: rguenth at gcc dot gnu.org
CC: jakub at gcc dot gnu.org
Target Milestone: ---
I see
Running target unix//-m32
FAIL: libgomp.c/for-3.c (internal compiler error)
FAIL: libgomp.c/for-3.c (test for excess errors)
UNRESOLVED: libgomp.c/for-3.c compilation failed to produce executable
FAIL: libgomp.c/for-5.c (internal compiler error)
FAIL: libgomp.c/for-5.c (test for excess errors)
UNRESOLVED: libgomp.c/for-5.c compilation failed to produce executable
FAIL: libgomp.c/for-6.c (internal compiler error)
FAIL: libgomp.c/for-6.c (test for excess errors)
UNRESOLVED: libgomp.c/for-6.c compilation failed to produce executable
FAIL: libgomp.c++/for-11.C (internal compiler error)
FAIL: libgomp.c++/for-11.C (test for excess errors)
UNRESOLVED: libgomp.c++/for-11.C compilation failed to produce executable
FAIL: libgomp.c++/for-13.C (internal compiler error)
FAIL: libgomp.c++/for-13.C (test for excess errors)
UNRESOLVED: libgomp.c++/for-13.C compilation failed to produce executable
FAIL: libgomp.c++/for-14.C (internal compiler error)
FAIL: libgomp.c++/for-14.C (test for excess errors)
UNRESOLVED: libgomp.c++/for-14.C compilation failed to produce executable
with the following fix for the r177828 change:
Index: gcc/tree-cfg.c
===================================================================
--- gcc/tree-cfg.c (revision 259457)
+++ gcc/tree-cfg.c (working copy)
@@ -3842,7 +3842,7 @@ verify_gimple_assign_unary (gassign *stm
|| (POINTER_TYPE_P (rhs1_type)
&& INTEGRAL_TYPE_P (lhs_type)
&& (TYPE_PRECISION (rhs1_type) >= TYPE_PRECISION (lhs_type)
- || ptrofftype_p (sizetype))))
+ || ptrofftype_p (lhs_type))))
return false;
/* Allow conversion from integral to offset type and vice versa. */
One example is
/space/rguenther/src/svn/trunk/libgomp/testsuite/libgomp.c/for-2.h: In function
'f13_dpf_guided32':^M
/space/rguenther/src/svn/trunk/libgomp/testsuite/libgomp.c/for-2.h:193:10:
error: invalid types in nop conversion^M
long long unsigned int^M
int[1500] *^M
D.13174 = (long long unsigned int) D.13222;^M
so we're casting a 32bit pointer to a 64bit int which we don't allow since
we do not know how to extend the pointer at the GIMPLE level (we really
don't want to use POINTERS_EXTEND_UNSIGNED there but rely on TYPE_UNSIGNED).
The question is what the ompexp code wants here anyway.
The fix is to do an intermediate conversion to a pointer-sized integral type.
