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Darwin, PowerPC, libgcc - Ensure unwinder is built with altivec enabled. 

When libgcc is built on Darwin, it is usually built for the earliest potential
target (Darwin8, 10.4).  Build for that revision default to assuming that the
processor might be G3 (without vector ops) and there is an outlined function
used for save/restore that checks whether the processor is G3 or G4+ at run-
time.  However, the unwinder itself needs to be built with the assumption of
vector usage so that the relevant outlined functions are called.

2019-06-06  Iain Sandoe  <iain@sandoe.co.uk>

	* config/rs6000/t-darwin: Ensure that the unwinder is built with
	altivec enabled.

From-SVN: r272017
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Iain Sandoe 2019-06-06 19:02:54 +00:00 committed by Iain Sandoe
parent 2172277702
commit 34a4a9c2b5
2 changed files with 8 additions and 0 deletions
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libgcc/ChangeLog
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@ -1,3 +1,8 @@
2019-06-06 Iain Sandoe <iain@sandoe.co.uk>
* config/rs6000/t-darwin: Ensure that the unwinder is built with
altivec enabled.
2019-06-06 Jozef Lawrynowicz <jozef.l@mittosystems.com>
* config/msp430/slli.S (__mspabi_slli_n): Put function in its own

3
libgcc/config/rs6000/t-darwin
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@ -20,4 +20,7 @@ LIB2ADD_ST = \
# earlier OSX versions.
HOST_LIBGCC2_CFLAGS += -Wa,-force_cpusubtype_ALL -mmacosx-version-min=10.4
unwind-dw2_s.o: HOST_LIBGCC2_CFLAGS += -maltivec
unwind-dw2.o: HOST_LIBGCC2_CFLAGS += -maltivec
LIB2ADDEH += $(srcdir)/config/rs6000/darwin-fallback.c