diff options
| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-02-02 12:28:27 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-02-02 12:28:27 +0000 |
| commit | 1df875cc44d66ca84b5dfff7fbd60ca715ca61ae (patch) | |
| tree | c1e0b211864547ada0d59bb5238bf7ef134aad03 /libffi | |
| parent | cd7cbccd5d1da4b465eebed8efbe427ef5f11637 (diff) | |
| download | gcc-1df875cc44d66ca84b5dfff7fbd60ca715ca61ae.tar.gz | |
* src/powerpc/linux64.S (ffi_call_LINUX64): Move restore of r2
immediately after bctrl instruction.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@121498 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libffi')
| -rw-r--r-- | libffi/ChangeLog | 5 | ||||
| -rw-r--r-- | libffi/src/powerpc/linux64.S | 7 |
2 files changed, 10 insertions, 2 deletions
diff --git a/libffi/ChangeLog b/libffi/ChangeLog index 879df4950f4..4b3c509f664 100644 --- a/libffi/ChangeLog +++ b/libffi/ChangeLog @@ -1,3 +1,8 @@ +2007-02-02 Jakub Jelinek <jakub@redhat.com> + + * src/powerpc/linux64.S (ffi_call_LINUX64): Move restore of r2 + immediately after bctrl instruction. + 2007-01-18 Alexandre Oliva <aoliva@redhat.com> * Makefile.am (all-recursive, install-recursive, diff --git a/libffi/src/powerpc/linux64.S b/libffi/src/powerpc/linux64.S index d72912da1ed..dbfcc7b8f3d 100644 --- a/libffi/src/powerpc/linux64.S +++ b/libffi/src/powerpc/linux64.S @@ -47,8 +47,8 @@ ffi_call_LINUX64: std %r0, 16(%r1) mr %r28, %r1 /* our AP. */ - stdux %r1, %r1, %r4 .LCFI0: + stdux %r1, %r1, %r4 mr %r31, %r5 /* flags, */ mr %r30, %r6 /* rvalue, */ mr %r29, %r7 /* function address. */ @@ -100,6 +100,10 @@ ffi_call_LINUX64: /* Make the call. */ bctrl + /* This must follow the call immediately, the unwinder + uses this to find out if r2 has been saved or not. */ + ld %r2, 40(%r1) + /* Now, deal with the return value. */ mtcrf 0x01, %r31 bt- 30, .Ldone_return_value @@ -109,7 +113,6 @@ ffi_call_LINUX64: .Ldone_return_value: /* Restore the registers we used and return. */ - ld %r2, 40(%r1) mr %r1, %r28 ld %r0, 16(%r28) ld %r28, -32(%r1) |