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re PR target/82725 ([x86_64] internal compiler error: in change_address_1, at emit-rtl.c:2162)

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PR target/82725
	* config/i386/i386.c (legitimate_pic_address_disp_p): Allow
	UNSPEC_DTPOFF and UNSPEC_NTPOFF with SImode immediate offset.

testsuite/ChangeLog:

	PR target/82725
	* g++.dg/pr82725.C: New test.

From-SVN: r254212
This commit is contained in:
Uros Bizjak 2017-10-30 11:33:40 +01:00
parent 87039aa266
commit 5603c1d9db
4 changed files with 37 additions and 5 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2017-10-30 Uros Bizjak <ubizjak@gmail.com>
PR target/82725
* config/i386/i386.c (legitimate_pic_address_disp_p): Allow
UNSPEC_DTPOFF and UNSPEC_NTPOFF with SImode immediate offset.
2017-10-29 Jim Wilson <wilson@tuliptree.org>
* gimplify.c: Include tm_p.h.

12
gcc/config/i386/i386.c
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@ -15079,10 +15079,16 @@ legitimate_pic_address_disp_p (rtx disp)
break;
op0 = XEXP (XEXP (disp, 0), 0);
op1 = XEXP (XEXP (disp, 0), 1);
if (!CONST_INT_P (op1)
|| INTVAL (op1) >= 16*1024*1024
if (!CONST_INT_P (op1))
break;
if (GET_CODE (op0) == UNSPEC
&& (XINT (op0, 1) == UNSPEC_DTPOFF
|| XINT (op0, 1) == UNSPEC_NTPOFF)
&& trunc_int_for_mode (INTVAL (op1), SImode) == INTVAL (op1))
return true;
if (INTVAL (op1) >= 16*1024*1024
|| INTVAL (op1) < -16*1024*1024)
break;
break;
if (GET_CODE (op0) == LABEL_REF)
return true;
if (GET_CODE (op0) == CONST

8
gcc/testsuite/ChangeLog
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@ -1,8 +1,12 @@
2017-10-30 Uros Bizjak <ubizjak@gmail.com>
PR target/82725
* g++.dg/pr82725.C: New test.
2017-10-29 Jim Wilson <wilson@tuliptree.org>
* lib/gcc-dg.exp (gcc-dg-debug-runtest): Delete -gcoff.
* lib/gfortran-dg.exp (gfortran-dg-debug-runtest): Delete
-gcoff.
* lib/gfortran-dg.exp (gfortran-dg-debug-runtest): Delete -gcoff.
2017-10-28 Paolo Carlini <paolo.carlini@oracle.com>

16
gcc/testsuite/g++.dg/pr82725.C Normal file
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@ -0,0 +1,16 @@
// { dg-do compile { target i?86-*-* x86_64-*-* } }
// { dg-require-effective-target pie }
// { dg-options "-O2 -fpie -mtls-direct-seg-refs" }
struct string
{
__SIZE_TYPE__ length;
const char *ptr;
};
string
tempDir ()
{
thread_local string cache;
return cache;
}