* simplify-rtx.c (simplify_subreg): Check that the subreg offset
of a hard register is representable before trying to simplify it
using subreg_hard_regno.
* gcc.c-torture/compile/
20030903-1.c: New test case.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@71046
138bc75d-0d04-0410-961f-
82ee72b054a4
+2003-09-03 Roger Sayle <roger@eyesopen.com>
+
+ PR optimization/11700.
+ * simplify-rtx.c (simplify_subreg): Check that the subreg offset
+ of a hard register is representable before trying to simplify it
+ using subreg_hard_regno.
+
2003-09-04 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
* configure.in (gcc_cv_ld_hidden): Disable unless using GNU ld.
#if FRAME_POINTER_REGNUM != ARG_POINTER_REGNUM
&& REGNO (op) != ARG_POINTER_REGNUM
#endif
- && REGNO (op) != STACK_POINTER_REGNUM)
+ && REGNO (op) != STACK_POINTER_REGNUM
+ && subreg_offset_representable_p (REGNO (op), innermode,
+ byte, outermode))
{
- int final_regno = subreg_hard_regno (gen_rtx_SUBREG (outermode, op, byte),
- 0);
+ rtx tem = gen_rtx_SUBREG (outermode, op, byte);
+ int final_regno = subreg_hard_regno (tem, 0);
/* ??? We do allow it if the current REG is not valid for
its mode. This is a kludge to work around how float/complex
+2003-09-03 Roger Sayle <roger@eyesopen.com>
+
+ PR optimization/11700.
+ * gcc.c-torture/compile/20030903-1.c: New test case.
+
2003-09-03 Mark Mitchell <mark@codesourcery.com>
PR c++/12053
--- /dev/null
+/* Derived from PR optimization/11700. */
+/* The compiler used to ICE during reload for m68k targets. */
+
+void check_complex (__complex__ double, __complex__ double,
+ __complex__ double, __complex__ int);
+void check_float (double, double, double, int);
+extern double _Complex conj (double _Complex);
+extern double carg (double _Complex __z);
+
+static double minus_zero;
+
+void
+conj_test (void)
+{
+ check_complex (conj (({ __complex__ double __retval;
+ __real__ __retval = (0.0);
+ __imag__ __retval = (0.0);
+ __retval; })),
+ ({ __complex__ double __retval;
+ __real__ __retval = (0.0);
+ __imag__ __retval = (minus_zero);
+ __retval; }), 0, 0);
+}
+
+void
+carg_test (void)
+{
+ check_float (carg (({ __complex__ double __retval;
+ __real__ __retval = (2.0);
+ __imag__ __retval = (0);
+ __retval; })), 0, 0, 0);
+}
+