84 lines
2.6 KiB
Diff
84 lines
2.6 KiB
Diff
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From 9ad99fb5b9db916ca81bd3f5717c67e20384f7e0 Mon Sep 17 00:00:00 2001
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From: Ulrich Weigand <uweigand@de.ibm.com>
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Date: Fri, 17 Jul 2015 14:03:17 -0500
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Subject: [PATCH 1/2] Add suuport for ppc64 in LE mode running ABIv2
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Signed-off-by: Ulrich Weigand <uweigand@de.ibm.com>
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Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
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---
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platform/switch_ppc64_linux.h | 22 +++++++++++++++++++---
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1 file changed, 19 insertions(+), 3 deletions(-)
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diff --git a/platform/switch_ppc64_linux.h b/platform/switch_ppc64_linux.h
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index ee40f67..0f20756 100644
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--- a/platform/switch_ppc64_linux.h
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+++ b/platform/switch_ppc64_linux.h
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@@ -2,6 +2,8 @@
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* this is the internal transfer function.
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*
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* HISTORY
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+ * 10-Dec-13 Ulrich Weigand <uweigand@de.ibm.com>
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+ * Support ELFv2 ABI. Save float/vector registers.
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* 09-Mar-12 Michael Ellerman <michael@ellerman.id.au>
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* 64-bit implementation, copied from 32-bit.
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* 07-Sep-05 (py-dev mailing list discussion)
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@@ -40,14 +42,28 @@
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#ifdef SLP_EVAL
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+#if _CALL_ELF == 2
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+#define STACK_MAGIC 4
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+#else
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#define STACK_MAGIC 6
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+#endif
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+
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+#if defined(__ALTIVEC__)
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+#define ALTIVEC_REGS \
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+ "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", \
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+ "v28", "v29", "v30", "v31",
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+#else
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+#define ALTIVEC_REGS
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+#endif
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-/* !!!!WARNING!!!! need to add "r31" in the next line if this header file
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- * is meant to be compiled non-dynamically!
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- */
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#define REGS_TO_SAVE "r2", "r14", "r15", "r16", "r17", "r18", "r19", "r20", \
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"r21", "r22", "r23", "r24", "r25", "r26", "r27", "r28", "r29", "r31", \
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+ "fr14", "fr15", "fr16", "fr17", "fr18", "fr19", "fr20", "fr21", \
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+ "fr22", "fr23", "fr24", "fr25", "fr26", "fr27", "fr28", "fr29", \
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+ "fr30", "fr31", \
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+ ALTIVEC_REGS \
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"cr2", "cr3", "cr4"
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+
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static int
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slp_switch(void)
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{
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From 4d0c450852a2b0cf6307cf6ca53dcdeea357cd48 Mon Sep 17 00:00:00 2001
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From: Tony Breeds <tony@bakeyournoodle.com>
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Date: Fri, 17 Jul 2015 14:05:04 -0500
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Subject: [PATCH 2/2] Force -fno-tree-dominator-opts for ppc64 in LE mode
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Disable the optimisations that are most likely to break the fragile
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C/asm logic.
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Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
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---
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setup.py | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/setup.py b/setup.py
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index ab02d93..acf9fec 100755
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--- a/setup.py
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+++ b/setup.py
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@@ -50,6 +50,8 @@ def _find_platform_headers():
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if sys.platform == 'win32' and os.environ.get('GREENLET_STATIC_RUNTIME') in ('1', 'yes'):
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extra_compile_args = ['/MT']
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+ elif os.uname()[4] in ['ppc64el', 'ppc64le']:
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+ extra_compile_args = ['-fno-tree-dominator-opts']
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else:
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extra_compile_args = []
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