shylie/llvm-project
1
0
Fork 0
Code Issues Pull Requests Actions 6 Packages Projects Releases Wiki Activity

[libc][NFC] Make explicit uint16_t casts in fenv

Browse Source
This commit is contained in:
Alex Brachet 2022-06-16 16:18:44 +00:00
parent 7f24e574d4
commit 40a55fff05
2 changed files with 5 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
libc/src/__support/FPUtil/x86_64/FEnvImpl.h
View File

@ -203,7 +203,8 @@ static inline int get_except() {
static inline int clear_except(int excepts) {
internal::X87StateDescriptor state;
internal::get_x87_state_descriptor(state);
state.status_word &= ~internal::get_status_value_for_except(excepts);
state.status_word &=
static_cast<uint16_t>(~internal::get_status_value_for_except(excepts));
internal::write_x87_state_descriptor(state);
uint32_t mxcsr = internal::get_mxcsr();
@ -215,8 +216,8 @@ static inline int clear_except(int excepts) {
static inline int test_except(int excepts) {
uint16_t status_value = internal::get_status_value_for_except(excepts);
// Check both x87 status word and MXCSR.
return internal::exception_status_to_macro(status_value &
internal::get_mxcsr());
return internal::exception_status_to_macro(
static_cast<uint16_t>(status_value & internal::get_mxcsr()));
}
// Sets the exception flags but does not trigger the exception handler.

2
libc/src/fenv/fesetexceptflag.cpp
View File

@ -20,7 +20,7 @@ LLVM_LIBC_FUNCTION(int, fesetexceptflag,
// can fit in int type.
static_assert(sizeof(int) >= sizeof(fexcept_t),
"fexcept_t value cannot fit in an int value.");
int excepts_to_set = static_cast<const int>(*flagp) & excepts;
int excepts_to_set = static_cast<int>(*flagp) & excepts;
fputil::clear_except(FE_ALL_EXCEPT);
return fputil::set_except(excepts_to_set);
}