[libc-commits] [libc] 487f74a - [libc][Obvious] Fix typo in implementation of aarch64 clearExcept.

[Siva Chandra via libc-commits]

Author: Siva Chandra
Date: 2021-06-28T23:17:37-07:00
New Revision: 487f74a6c4151d13d3a7b54ee4ab7beaf3e87487

URL: https://github.com/llvm/llvm-project/commit/487f74a6c4151d13d3a7b54ee4ab7beaf3e87487
DIFF: https://github.com/llvm/llvm-project/commit/487f74a6c4151d13d3a7b54ee4ab7beaf3e87487.diff

LOG: [libc][Obvious] Fix typo in implementation of aarch64 clearExcept.

Instead of reading and updating the status word, control word was being
updated.

Added: 
    

Modified: 
    libc/utils/FPUtil/aarch64/FEnv.h

Removed: 
    


################################################################################
diff  --git a/libc/utils/FPUtil/aarch64/FEnv.h b/libc/utils/FPUtil/aarch64/FEnv.h
index 327ce0726568..93af9a219d03 100644
--- a/libc/utils/FPUtil/aarch64/FEnv.h
+++ b/libc/utils/FPUtil/aarch64/FEnv.h
@@ -90,10 +90,10 @@ static inline int disableExcept(int excepts) {
 }
 
 static inline int clearExcept(int excepts) {
-  uint32_t controlWord = FEnv::getControlWord();
+  uint32_t statusWord = FEnv::getStatusWord();
   uint32_t toClear = FEnv::getStatusValueForExcept(excepts);
-  controlWord &= ~(toClear << FEnv::ExceptionStatusFlagsBitPosition);
-  FEnv::writeStatusWord(controlWord);
+  statusWord &= ~(toClear << FEnv::ExceptionStatusFlagsBitPosition);
+  FEnv::writeStatusWord(statusWord);
   return 0;
 }