Original post https://gcc.gnu.org/ml/gcc-patches/2014-01/msg02096.html
Tested check-gcc on aarch64-none-linux-gnu (native), fixes all variants of
gcc.dg/pch/largefile.c (below).
Ok?
Cheers, Alan
gcc/ChangeLog:
Backport r207785 from mainline
2014-01-31 Kyle McMartin <k...@redhat.com>
PR pch/60010
* config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for AArch64.
-----
Tests that now work, but didn't before:
gcc.dg/pch/largefile.c -O0 assembly comparison
gcc.dg/pch/largefile.c -O1 assembly comparison
gcc.dg/pch/largefile.c -O2 assembly comparison
gcc.dg/pch/largefile.c -O3 -fomit-frame-pointer assembly comparison
gcc.dg/pch/largefile.c -O3 -g assembly comparison
gcc.dg/pch/largefile.c -Os assembly comparison
gcc.dg/pch/largefile.c -O0 -g assembly comparison
largefile.c -O0 -I. -Dwith_PCH (test for excess errors)
largefile.c -O1 -I. -Dwith_PCH (test for excess errors)
largefile.c -O2 -I. -Dwith_PCH (test for excess errors)
largefile.c -O3 -fomit-frame-pointer -I. -Dwith_PCH (test for excess errors)
largefile.c -O3 -g -I. -Dwith_PCH (test for excess errors)
largefile.c -Os -I. -Dwith_PCH (test for excess errors)
largefile.c -O0 -g -I. -Dwith_PCH (test for excess errors)
Old tests that failed, that have disappeared: (Eeek!)
largefile.c -O0 -I. -Dwith_PCH (internal compiler error)
largefile.c -O1 -I. -Dwith_PCH (internal compiler error)
largefile.c -O2 -I. -Dwith_PCH (internal compiler error)
largefile.c -O3 -fomit-frame-pointer -I. -Dwith_PCH (internal compiler error)
largefile.c -O3 -g -I. -Dwith_PCH (internal compiler error)
largefile.c -Os -I. -Dwith_PCH (internal compiler error)
largefile.c -O0 -g -I. -Dwith_PCH (internal compiler error)
commit 39f9a388f15e12f43e3f59c314325cc087eab377
Author: Alan Lawrence <alala...@moonshot1-dsg-1.cambridge.arm.com>
Date: Tue Mar 10 12:20:12 2015 +0000
Kyle McMartin patch
diff --git a/gcc/config/host-linux.c b/gcc/config/host-linux.c
index 1f10823..0774ecf 100644
--- a/gcc/config/host-linux.c
+++ b/gcc/config/host-linux.c
@@ -86,6 +86,8 @@
# define TRY_EMPTY_VM_SPACE 0x60000000
#elif defined(__mc68000__)
# define TRY_EMPTY_VM_SPACE 0x40000000
+#elif defined(__aarch64__)
+# define TRY_EMPTY_VM_SPACE 0x1000000000
#elif defined(__ARM_EABI__)
# define TRY_EMPTY_VM_SPACE 0x60000000
#elif defined(__mips__) && defined(__LP64__)
