Changeset 74f5c83

Timestamp:

Aug 20, 2020, 10:58:51 PM (4 years ago)

Author:

Peter A. Buhr <pabuhr@…>

Branches:

ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

9b34766

Parents:

fd9b524

Message:

assembler for save/restore registers FPSR/FPCR for ARM

File:

• libcfa/src/concurrency/kernel.cfa (modified) (2 diffs)

libcfa/src/concurrency/kernel.cfa

@@ -10 +10 @@
 // Created On       : Tue Jan 17 12:27:26 2017
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Jul  9 06:22:54 2020
-// Update Count     : 66
+// Last Modified On : Fri Aug 14 15:23:00 2020
+// Update Count     : 69
 //
 
@@ -74 +74 @@
                 )
 
-
 #elif defined( __ARM_ARCH )
+        #define __x87_store              \
+                uint32_t __fpcntl[2];    \
+                __asm__ volatile (    \
+                        "mrs x9, FPCR\n" \
+                        "mrs x10, FPSR\n"  \
+                        "stp x9, x10, %0\n"  \
+                        : "=m" (__fpcntl) : : "x9", "x10" \
+                )
+
+        #define __x87_load         \
+                __asm__ volatile (    \
+                        "ldp x9, x10, %0\n"  \
+                        "msr FPSR, x10\n"  \
+                        "msr FPCR, x9\n" \
+                : "=m" (__fpcntl) : : "x9", "x10" \
+                )
+
 #else
         #error unknown hardware architecture