[commit: ghc] wip/aarch64-regd: rts: Fix clobbered regs list for aarch64 StgRun (6d3f174)
git at git.haskell.org
git at git.haskell.org
Wed Jun 3 10:27:55 UTC 2015
Repository : ssh://git@git.haskell.org/ghc
On branch : wip/aarch64-regd
Link : http://ghc.haskell.org/trac/ghc/changeset/6d3f174d56f04a583fc8429ca82df185d1786487/ghc
>---------------------------------------------------------------
commit 6d3f174d56f04a583fc8429ca82df185d1786487
Author: Erik de Castro Lopo <erikd at mega-nerd.com>
Date: Wed Jun 3 05:54:23 2015 +0000
rts: Fix clobbered regs list for aarch64 StgRun
>---------------------------------------------------------------
6d3f174d56f04a583fc8429ca82df185d1786487
rts/StgCRun.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/rts/StgCRun.c b/rts/StgCRun.c
index 02ec532..419e65a 100644
--- a/rts/StgCRun.c
+++ b/rts/StgCRun.c
@@ -820,8 +820,12 @@ StgRun(StgFunPtr f, StgRegTable *basereg) {
: "=r" (r)
: "r" (f), "r" (basereg), "i" (RESERVED_C_STACK_BYTES)
- : "%x19", "%x20", "%x21", "%x22", "%x23", "%x24", "%x25", "%x26", "%x27", "%x28",
- "%x16", "%x17", "%x30"
+
+ : "%x16", "%x17", /* Exclude %r18 (platform/temporary register) */
+ "%x19", "%x20", "%x21", "%x22", "%x23", "%x24", "%x25",
+ "%x26", "%x27", "%x28", /* Exclude %x29 (frame pointer) */
+ "%x30",
+ "%d8", "%d9", "%d10", "%d11", "%d12", "%d13", "%d14"
);
return r;
}
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