diff options
| author | aph <aph@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-02-23 14:05:13 +0000 |
|---|---|---|
| committer | aph <aph@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-02-23 14:05:13 +0000 |
| commit | e6fd470bd88fc2aebf07af825a1ff35d54a2c10c (patch) | |
| tree | 1e5002f9408d7d36ac5f7e50d98d9935198b19c9 /libffi | |
| parent | 4f373876375120908a52eb4b56e38418e3d52a5b (diff) | |
| download | gcc-e6fd470bd88fc2aebf07af825a1ff35d54a2c10c.tar.gz | |
2005-02-22 Andrew Haley <aph@redhat.com>
PR libffi/20104
* src/powerpc/ffi.c (ffi_prep_cif_machdep): Bump alignment to
odd-numbered register pairs for 64-bit integer types.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@95455 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libffi')
| -rw-r--r-- | libffi/ChangeLog | 5 | ||||
| -rw-r--r-- | libffi/src/powerpc/ffi.c | 10 |
2 files changed, 12 insertions, 3 deletions
diff --git a/libffi/ChangeLog b/libffi/ChangeLog index 6de6ef538be..83a1c2b5d9e 100644 --- a/libffi/ChangeLog +++ b/libffi/ChangeLog @@ -1,3 +1,8 @@ +2005-02-22 Andrew Haley <aph@redhat.com> + + * src/powerpc/ffi.c (ffi_prep_cif_machdep): Bump alignment to + odd-numbered register pairs for 64-bit integer types. + 2005-02-23 Andreas Tobler <a.tobler@schweiz.ch> PR libffi/20104 diff --git a/libffi/src/powerpc/ffi.c b/libffi/src/powerpc/ffi.c index c8d188777c8..67d945bd826 100644 --- a/libffi/src/powerpc/ffi.c +++ b/libffi/src/powerpc/ffi.c @@ -573,10 +573,14 @@ ffi_status ffi_prep_cif_machdep(ffi_cif *cif) /* 'long long' arguments are passed as two words, but either both words must fit in registers or both go on the stack. If they go on the stack, they must - be 8-byte-aligned. */ + be 8-byte-aligned. + + Also, only certain register pairs can be used for + passing long long int -- specifically (r3,r4), (r5,r6), + (r7,r8), (r9,r10). + */ if (intarg_count == NUM_GPR_ARG_REGISTERS-1 - || (intarg_count >= NUM_GPR_ARG_REGISTERS - && intarg_count%2 != 0)) + || intarg_count%2 != 0) intarg_count++; intarg_count += 2; break; |