Hi, Gentle ping this: https://gcc.gnu.org/pipermail/gcc-patches/2022-July/598748.html
BR, Kewen > on 2022/7/25 14:26, Kewen.Lin via Gcc-patches wrote: >> Hi, >> >> As the failure of test case gcc.target/powerpc/pr92398.p9-.c in >> PR106345 shows, some test sources for some powerpc effective >> targets use empty translation unit wrongly. The test sources >> could go with options like "-ansi -pedantic-errors", then those >> effective target checkings will fail unexpectedly with the >> error messages like: >> >> error: ISO C forbids an empty translation unit [-Wpedantic] >> >> This patch is to fix empty TUs with one dummy function definition >> accordingly. >> >> Excepting for the failures on gcc.target/powerpc/pr92398.p9-.c >> fixed, I can see it helps to bring back some testing coverage like: >> >> NA->PASS: gcc.target/powerpc/pr92398.p9+.c >> NA->PASS: gcc.target/powerpc/pr93453-1.c >> >> Tested as before. >> >> v1: https://gcc.gnu.org/pipermail/gcc-patches/2022-July/598602.html >> v2: Use dummy function instead of dummy int as Segher suggested. >> >> Segher, does this v2 look good to you? >> >> BR, >> Kewen >> ----- >> PR testsuite/106345 >> >> gcc/testsuite/ChangeLog: >> >> * lib/target-supports.exp (check_effective_target_powerpc_sqrt): Add >> a function definition to avoid pedwarn about empty translation unit. >> (check_effective_target_has_arch_pwr5): Likewise. >> (check_effective_target_has_arch_pwr6): Likewise. >> (check_effective_target_has_arch_pwr7): Likewise. >> (check_effective_target_has_arch_pwr8): Likewise. >> (check_effective_target_has_arch_pwr9): Likewise. >> (check_effective_target_has_arch_pwr10): Likewise. >> (check_effective_target_has_arch_ppc64): Likewise. >> (check_effective_target_ppc_float128): Likewise. >> (check_effective_target_ppc_float128_insns): Likewise. >> (check_effective_target_powerpc_vsx): Likewise. >> --- >> gcc/testsuite/lib/target-supports.exp | 33 +++++++++++++++++++++++++++ >> 1 file changed, 33 insertions(+) >> >> diff --git a/gcc/testsuite/lib/target-supports.exp >> b/gcc/testsuite/lib/target-supports.exp >> index 4ed7b25b9a4..06484330178 100644 >> --- a/gcc/testsuite/lib/target-supports.exp >> +++ b/gcc/testsuite/lib/target-supports.exp >> @@ -6259,9 +6259,12 @@ proc check_effective_target_powerpc_sqrt { } { >> } >> >> return [check_no_compiler_messages powerpc_sqrt object { >> + void test (void) >> + { >> #ifndef _ARCH_PPCSQ >> #error _ARCH_PPCSQ is not defined >> #endif >> + } >> } {}] >> } >> >> @@ -6369,71 +6372,92 @@ proc check_effective_target_powerpc_p9modulo_ok { } { >> # as provided by the test. >> proc check_effective_target_has_arch_pwr5 { } { >> return [check_no_compiler_messages_nocache arch_pwr5 assembly { >> + void test (void) >> + { >> #ifndef _ARCH_PWR5 >> #error does not have power5 support. >> #else >> /* "has power5 support" */ >> #endif >> + } >> } [current_compiler_flags]] >> } >> >> proc check_effective_target_has_arch_pwr6 { } { >> return [check_no_compiler_messages_nocache arch_pwr6 assembly { >> + void test (void) >> + { >> #ifndef _ARCH_PWR6 >> #error does not have power6 support. >> #else >> /* "has power6 support" */ >> #endif >> + } >> } [current_compiler_flags]] >> } >> >> proc check_effective_target_has_arch_pwr7 { } { >> return [check_no_compiler_messages_nocache arch_pwr7 assembly { >> + void test (void) >> + { >> #ifndef _ARCH_PWR7 >> #error does not have power7 support. >> #else >> /* "has power7 support" */ >> #endif >> + } >> } [current_compiler_flags]] >> } >> >> proc check_effective_target_has_arch_pwr8 { } { >> return [check_no_compiler_messages_nocache arch_pwr8 assembly { >> + void test (void) >> + { >> #ifndef _ARCH_PWR8 >> #error does not have power8 support. >> #else >> /* "has power8 support" */ >> #endif >> + } >> } [current_compiler_flags]] >> } >> >> proc check_effective_target_has_arch_pwr9 { } { >> return [check_no_compiler_messages_nocache arch_pwr9 assembly { >> + void test (void) >> + { >> #ifndef _ARCH_PWR9 >> #error does not have power9 support. >> #else >> /* "has power9 support" */ >> #endif >> + } >> } [current_compiler_flags]] >> } >> >> proc check_effective_target_has_arch_pwr10 { } { >> return [check_no_compiler_messages_nocache arch_pwr10 assembly { >> + void test (void) >> + { >> #ifndef _ARCH_PWR10 >> #error does not have power10 support. >> #else >> /* "has power10 support" */ >> #endif >> + } >> } [current_compiler_flags]] >> } >> >> proc check_effective_target_has_arch_ppc64 { } { >> return [check_no_compiler_messages_nocache arch_ppc64 assembly { >> + void test (void) >> + { >> #ifndef _ARCH_PPC64 >> #error does not have ppc64 support. >> #else >> /* "has ppc64 support" */ >> #endif >> + } >> } [current_compiler_flags]] >> } >> >> @@ -6520,9 +6544,12 @@ proc check_effective_target_powerpc_float128_hw_ok { >> } { >> >> proc check_effective_target_ppc_float128 { } { >> return [check_no_compiler_messages_nocache ppc_float128 object { >> + void test (void) >> + { >> #ifndef __FLOAT128__ >> nope no good >> #endif >> + } >> }] >> } >> >> @@ -6530,9 +6557,12 @@ proc check_effective_target_ppc_float128 { } { >> >> proc check_effective_target_ppc_float128_insns { } { >> return [check_no_compiler_messages_nocache ppc_float128 object { >> + void test (void) >> + { >> #ifndef __FLOAT128_HARDWARE__ >> nope no good >> #endif >> + } >> }] >> } >> >> @@ -6540,9 +6570,12 @@ proc check_effective_target_ppc_float128_insns { } { >> >> proc check_effective_target_powerpc_vsx { } { >> return [check_no_compiler_messages_nocache powerpc_vsx object { >> + void test (void) >> + { >> #ifndef __VSX__ >> nope no vsx >> #endif >> + } >> }] >> } >> >> -- >> 2.32.0