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Author: Breno Leitao <breno.leitao@gmail.com>
Date: Mon Apr 10 23:22:01 2017 +0000
Do not clobber r31 if you are not omitting frame pointer
R31 is the register that is defined in the ABI v2 as the frame pointer.
It should not be clobbered unless we omit the frame pointer.
Signed-off-by: Breno Leitao <breno.leitao@gmail.com>
--- greenlet-0.4.12/platform/switch_ppc64_linux.h.old 2017-04-10 19:14:26.808511638 +0000
+++ greenlet-0.4.12/platform/switch_ppc64_linux.h 2017-04-10 19:14:34.556511856 +0000
@@ -57,7 +57,7 @@
#endif
#define REGS_TO_SAVE "r2", "r14", "r15", "r16", "r17", "r18", "r19", "r20", \
- "r21", "r22", "r23", "r24", "r25", "r26", "r27", "r28", "r29", "r31", \
+ "r21", "r22", "r23", "r24", "r25", "r26", "r27", "r28", "r29", \
"fr14", "fr15", "fr16", "fr17", "fr18", "fr19", "fr20", "fr21", \
"fr22", "fr23", "fr24", "fr25", "fr26", "fr27", "fr28", "fr29", \
"fr30", "fr31", \
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