PR middle-end/30311
* caller-save.c (add_stored_regs): Only handle SUBREGs if inner
REG is a hard register. Do not modify REG before calling
subreg_nregs.
* rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
multiple of the size of YMODE for certain lowpart cases.
gcc/testsuite:
* gcc.c-torture/compile/pr30311.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120329
138bc75d-0d04-0410-961f-
82ee72b054a4
+2007-01-02 Joseph Myers <joseph@codesourcery.com>
+
+ PR middle-end/30311
+ * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
+ REG is a hard register. Do not modify REG before calling
+ subreg_nregs.
+ * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
+ multiple of the size of YMODE for certain lowpart cases.
+
2007-01-01 Andrew Pinski <pinskia@gmail.com>
PR middle-end/30253
/* Save and restore call-clobbered registers which are live across a call.
- Copyright (C) 1989, 1992, 1994, 1995, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1989, 1992, 1994, 1995, 1997, 1998, 1999, 2000,
+ 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
This file is part of GCC.
if (GET_CODE (setter) == CLOBBER)
return;
- if (GET_CODE (reg) == SUBREG && REG_P (SUBREG_REG (reg)))
+ if (GET_CODE (reg) == SUBREG
+ && REG_P (SUBREG_REG (reg))
+ && REGNO (SUBREG_REG (reg)) < FIRST_PSEUDO_REGISTER)
{
offset = subreg_regno_offset (REGNO (SUBREG_REG (reg)),
GET_MODE (SUBREG_REG (reg)),
SUBREG_BYTE (reg),
GET_MODE (reg));
- reg = SUBREG_REG (reg);
- regno = REGNO (reg) + offset;
+ regno = REGNO (SUBREG_REG (reg)) + offset;
endregno = regno + subreg_nregs (reg);
}
else
/* Analyze RTL for GNU compiler.
Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software
Foundation, Inc.
This file is part of GCC.
{
info->representable_p = true;
rknown = true;
+
+ if (offset == 0 || nregs_xmode == nregs_ymode)
+ {
+ info->offset = 0;
+ info->nregs = nregs_ymode;
+ return;
+ }
}
/* This should always pass, otherwise we don't know how to verify
+2007-01-02 Joseph Myers <joseph@codesourcery.com>
+
+ PR middle-end/30311
+ * gcc.c-torture/compile/pr30311.c: New test.
+
2007-01-01 Andrew Pinski <pinskia@gmail.com>
PR middle-end/30253
--- /dev/null
+/* ICE in subreg_get_info: bug 30311. */
+/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
+inline double bar(double x)
+{
+ long double d;
+ __asm__ ("" : "=t" (d) : "0" (x));
+ return d;
+}
+
+double foo(double x)
+{
+ if (x)
+ return bar(x);
+ else
+ return bar(x);
+}