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darwin, testsuite - fix PR 63891.

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This is a testcase failing because one part of the codegen is
(correctly) generating the scan-asm-not signature.

Fixed by altering the build options.

gcc/testsuite/

2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>

	PR target/63891
	* gcc.dg/darwin-weakimport-3.c: Adjust options and explain
	the reasons.

From-SVN: r271474
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Iain Sandoe 2019-05-21 16:24:25 +00:00 committed by Iain Sandoe
parent c54eb7f40c
commit 9f0c354752
2 changed files with 22 additions and 1 deletions
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6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2019-05-18 Iain Sandoe <iain@sandoe.co.uk>
PR target/63891
* gcc.dg/darwin-weakimport-3.c: Adjust options and explain
the reasons.
2019-05-21 Uroš Bizjak <ubizjak@gmail.com>
* gcc.target/i386/vect-signbitf.c: New test.

17
gcc/testsuite/gcc.dg/darwin-weakimport-3.c
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@ -1,5 +1,20 @@
/* { dg-do compile { target *-*-darwin* } } */
/* { dg-options "-fno-asynchronous-unwind-tables" } */
/* Here we want to test if "foo" gets placed into a coalesced
section (it should not).
However, for i386, and PIC code we have a "get_pc thunk" that
is (correctly) placed in a coalesced section when using an older
linker - also unwind tables are emitted into coalesced.
With modern linkers this is moot, since even weak symbols
are emitted into the regular sections.
To avoid the unwind tables -fno-asynchronous-unwind-tables.
To ensure that we emit code for an older linker -mtarget-linker
To avoid the get_pc thunk optimise at least O1. */
/* { dg-options "-fno-asynchronous-unwind-tables -O1 -mtarget-linker 85.2" } */
/* { dg-require-weak "" } */
/* { dg-final { scan-assembler-not "coalesced" } } */