From 9ad99fb5b9db916ca81bd3f5717c67e20384f7e0 Mon Sep 17 00:00:00 2001 From: Ulrich Weigand Date: Fri, 17 Jul 2015 14:03:17 -0500 Subject: [PATCH 1/2] Add suuport for ppc64 in LE mode running ABIv2 Signed-off-by: Ulrich Weigand Signed-off-by: Tony Breeds --- platform/switch_ppc64_linux.h | 22 +++++++++++++++++++--- 1 file changed, 19 insertions(+), 3 deletions(-) diff --git a/platform/switch_ppc64_linux.h b/platform/switch_ppc64_linux.h index ee40f672..0f207568 100644 --- a/platform/switch_ppc64_linux.h +++ b/platform/switch_ppc64_linux.h @@ -2,6 +2,8 @@ * this is the internal transfer function. * * HISTORY + * 10-Dec-13 Ulrich Weigand + * Support ELFv2 ABI. Save float/vector registers. * 09-Mar-12 Michael Ellerman * 64-bit implementation, copied from 32-bit. * 07-Sep-05 (py-dev mailing list discussion) @@ -40,14 +42,28 @@ #ifdef SLP_EVAL +#if _CALL_ELF == 2 +#define STACK_MAGIC 4 +#else #define STACK_MAGIC 6 +#endif + +#if defined(__ALTIVEC__) +#define ALTIVEC_REGS \ + "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", \ + "v28", "v29", "v30", "v31", +#else +#define ALTIVEC_REGS +#endif -/* !!!!WARNING!!!! need to add "r31" in the next line if this header file - * is meant to be compiled non-dynamically! - */ #define REGS_TO_SAVE "r2", "r14", "r15", "r16", "r17", "r18", "r19", "r20", \ "r21", "r22", "r23", "r24", "r25", "r26", "r27", "r28", "r29", "r31", \ + "fr14", "fr15", "fr16", "fr17", "fr18", "fr19", "fr20", "fr21", \ + "fr22", "fr23", "fr24", "fr25", "fr26", "fr27", "fr28", "fr29", \ + "fr30", "fr31", \ + ALTIVEC_REGS \ "cr2", "cr3", "cr4" + static int slp_switch(void) { From 4d0c450852a2b0cf6307cf6ca53dcdeea357cd48 Mon Sep 17 00:00:00 2001 From: Tony Breeds Date: Fri, 17 Jul 2015 14:05:04 -0500 Subject: [PATCH 2/2] Force -fno-tree-dominator-opts for ppc64 in LE mode Disable the optimisations that are most likely to break the fragile C/asm logic. Signed-off-by: Tony Breeds --- setup.py | 2 ++ 1 file changed, 2 insertions(+) diff --git a/setup.py b/setup.py index ab02d938..acf9fec0 100755 --- a/setup.py +++ b/setup.py @@ -50,6 +50,8 @@ def _find_platform_headers(): if sys.platform == 'win32' and os.environ.get('GREENLET_STATIC_RUNTIME') in ('1', 'yes'): extra_compile_args = ['/MT'] + elif os.uname()[4] in ['ppc64el', 'ppc64le']: + extra_compile_args = ['-fno-tree-dominator-opts'] else: extra_compile_args = []