re PR rtl-optimization/27661 (ICE in subst_reloads)
PR rtl-optimization/27661 * reload.c (find_reloads): When reloading a VOIDmode constant as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint, use Pmode as mode of the reload register. PR rtl-optimization/27661 * gcc.dg/pr27661.c: New test case. From-SVN: r114141
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2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
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PR rtl-optimization/27661
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* reload.c (find_reloads): When reloading a VOIDmode constant
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as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
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use Pmode as mode of the reload register.
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2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
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* doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
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10
gcc/reload.c
10
gcc/reload.c
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@ -3854,11 +3854,19 @@ find_reloads (rtx insn, int replace, int ind_levels, int live_known,
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&& goal_alternative_offmemok[i]
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&& MEM_P (recog_data.operand[i]))
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{
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/* If the address to be reloaded is a VOIDmode constant,
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use Pmode as mode of the reload register, as would have
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been done by find_reloads_address. */
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enum machine_mode address_mode;
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address_mode = GET_MODE (XEXP (recog_data.operand[i], 0));
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if (address_mode == VOIDmode)
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address_mode = Pmode;
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operand_reloadnum[i]
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= push_reload (XEXP (recog_data.operand[i], 0), NULL_RTX,
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&XEXP (recog_data.operand[i], 0), (rtx*) 0,
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base_reg_class (VOIDmode, MEM, SCRATCH),
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GET_MODE (XEXP (recog_data.operand[i], 0)),
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address_mode,
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VOIDmode, 0, 0, i, RELOAD_FOR_INPUT);
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rld[operand_reloadnum[i]].inc
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= GET_MODE_SIZE (GET_MODE (recog_data.operand[i]));
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@ -1,3 +1,8 @@
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2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
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PR rtl-optimization/27661
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* gcc.dg/pr27661.c: New test case.
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2006-05-26 Thomas Koenig <Thomas.Koenig@online.de>
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PR fortran/23151
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@ -0,0 +1,25 @@
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/* This used to ICE on s390 due to a reload bug. */
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/* { dg-do compile { target s390*-*-* } } */
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/* { dg-options "-O2 -march=z990 -ftracer" } */
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extern int memcmp (const void *s1, const void *s2, unsigned long n);
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extern int printf (__const char *__restrict __format, ...);
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struct test
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{
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char tmp[4096];
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char msgtype[2];
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};
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void test (struct test *testtb)
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{
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if (testtb)
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printf ("a");
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if (memcmp(testtb->msgtype, "a", 2))
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printf ("a");
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printf ("b");
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}
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