diff options
| author | Dan Horák <dan@danny.cz> | 2023-05-03 14:29:09 -0500 |
|---|---|---|
| committer | Peter Bergner <bergner@linux.ibm.com> | 2023-05-09 15:57:50 -0400 |
| commit | 0069ce6631880776a44fb8408c6428c0812285cf (patch) | |
| tree | ce4fddcd2e4cf452848dee14f5b7f6364075a052 | |
| parent | 56da68414b5b5f0124cac29756c88710e5752762 (diff) | |
| download | gcc-0069ce6631880776a44fb8408c6428c0812285cf.tar.gz | |
libffi: fix handling of homogeneous float128 structs (#689)
If there is a homogeneous struct with float128 members, they should be
copied to vector register save area. The current code incorrectly copies
only the value of the first member, not increasing the pointer with each
iteration. Fix this.
Merged from upstream libffi commit: 464b4b66e3cf3b5489e730c1466ee1bf825560e0
2023-05-03 Dan Horák <dan@danny.cz>
libffi/
PR libffi/109447
* src/powerpc/ffi_linux64.c (ffi_prep_args64): Update arg.f128 pointer.
(cherry picked from commit 043550bceea7881163bba5d8a0486bb100a05809)
| -rw-r--r-- | libffi/src/powerpc/ffi_linux64.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libffi/src/powerpc/ffi_linux64.c b/libffi/src/powerpc/ffi_linux64.c index 4d50878e402..3454dacd3d6 100644 --- a/libffi/src/powerpc/ffi_linux64.c +++ b/libffi/src/powerpc/ffi_linux64.c @@ -680,7 +680,7 @@ ffi_prep_args64 (extended_cif *ecif, unsigned long *const stack) { if (vecarg_count < NUM_VEC_ARG_REGISTERS64 && i < nfixedargs) - memcpy (vec_base.f128++, arg.f128, sizeof (float128)); + memcpy (vec_base.f128++, arg.f128++, sizeof (float128)); else memcpy (next_arg.f128, arg.f128++, sizeof (float128)); if (++next_arg.f128 == gpr_end.f128) |