x86-64: Pass aggregates with only float/double in GPRs for MS_ABI
MS_ABI requires passing aggregates with only float/double in integer
registers as shown in the output from MSVC v19.10 at:
https://godbolt.org/z/2NPygd
This patch fixed:
FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=54 -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable -Wno-uninitialized -O0 -DABI_NUM=FFI_GNUW64 -DABI_ATTR=MSABI execution test
FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=54 -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable -Wno-uninitialized -O2 -DABI_NUM=FFI_GNUW64 -DABI_ATTR=MSABI execution test
FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=55 -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable -Wno-uninitialized -O0 -DABI_NUM=FFI_GNUW64 -DABI_ATTR=MSABI execution test
FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=55 -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable -Wno-uninitialized -O2 -DABI_NUM=FFI_GNUW64 -DABI_ATTR=MSABI execution test
FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=56 -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable -Wno-uninitialized -O0 -DABI_NUM=FFI_GNUW64 -DABI_ATTR=MSABI execution test
FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=56 -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable -Wno-uninitialized -O2 -DABI_NUM=FFI_GNUW64 -DABI_ATTR=MSABI execution test
in libffi testsuite.
gcc/
PR target/85667
* config/i386/i386.c (function_arg_ms_64): Add a type argument.
Don't return aggregates with only SFmode and DFmode in SSE
register.
(ix86_function_arg): Pass arg.type to function_arg_ms_64.
gcc/testsuite/
PR target/85667
* gcc.target/i386/pr85667-10.c: New test.
* gcc.target/i386/pr85667-7.c: Likewise.
* gcc.target/i386/pr85667-8.c: Likewise.
* gcc.target/i386/pr85667-9.c: Likewise.
projects / gcc.git / commit