FPCSR_RM_RN

decompals · Aug 19, 2024 · 6acaff6 · 6acaff6
1 parent 097626c
commit 6acaff6
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/os/createthread.c b/src/os/createthread.c
@@ -32,7 +32,7 @@ void osCreateThread(OSThread* t, OSId id, void (*entry)(void*), void* arg, void*
     mask = OS_IM_ALL;
     t->context.sr = (mask & (SR_IMASK | SR_IE)) | SR_EXL;
     t->context.rcp = (mask & RCP_IMASK) >> RCP_IMASKSHIFT;
-    t->context.fpcsr = FPCSR_FS | FPCSR_EV;
+    t->context.fpcsr = FPCSR_FS | FPCSR_EV | FPCSR_RM_RN;
     t->fp = 0;
     t->state = OS_STATE_STOPPED;
     t->flags = 0;

diff --git a/src/os/initialize.c b/src/os/initialize.c
@@ -70,7 +70,7 @@ void INITIALIZE_FUNC() {
 #endif
 
     __osSetSR(__osGetSR() | SR_CU1);    // enable fpu
-    __osSetFpcCsr(FPCSR_FS | FPCSR_EV); // flush denorm to zero, enable invalid operation
+    __osSetFpcCsr(FPCSR_FS | FPCSR_EV | FPCSR_RM_RN); // flush denorm to zero, enable invalid operation
 #if BUILD_VERSION >= VERSION_K
     __osSetWatchLo(0x4900000);
 #endif