Changeset 106542 in vbox for trunk

Timestamp:

Oct 21, 2024 7:41:54 AM (6 months ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

165376

Message:

include/iprt/asm-mem.h: Make it build on win.arm64, bugref:10392

File:

• trunk/include/iprt/asm-mem.h (modified) (2 diffs)

trunk/include/iprt/asm-mem.h

@@ -47 +47 @@
 /* Emit the intrinsics at all optimization levels. */
 # include <iprt/sanitized/intrin.h>
-# pragma intrinsic(__cpuid)
-# pragma intrinsic(__stosd)
-# pragma intrinsic(__stosw)
-# pragma intrinsic(__stosb)
-# ifdef RT_ARCH_AMD64
-#  pragma intrinsic(__stosq)
+# if defined(RT_ARCH_X86) || defined(RT_ARCH_AMD64)
+#  pragma intrinsic(__cpuid)
+#  pragma intrinsic(__stosd)
+#  pragma intrinsic(__stosw)
+#  pragma intrinsic(__stosb)
+#  ifdef RT_ARCH_AMD64
+#   pragma intrinsic(__stosq)
+#  endif
+# elif defined(RT_ARCH_ARM64) || defined(RT_ARCH_X86)
+#  pragma intrinsic(__iso_volatile_load8)
 # endif
 #endif
@@ -326 +330 @@
 
 # elif defined(RT_ARCH_ARM64) || defined(RT_ARCH_ARM32)
+#  if defined(RT_INLINE_ASM_USES_INTRIN)
+    return (uint8_t)__iso_volatile_load8((volatile const char *)pvByte);
+#  else
     uint32_t u32;
     __asm__ __volatile__("Lstart_ASMProbeReadByte_%=:\n\t"
-#  if defined(RT_ARCH_ARM64)
+#   if defined(RT_ARCH_ARM64)
                          "ldxrb     %w[uDst], %[pMem]\n\t"
-#  else
+#   else
                          "ldrexb    %[uDst], %[pMem]\n\t"
-#  endif
+#   endif
                          : [uDst] "=&r" (u32)
                          : [pMem] "Q" (*(uint8_t const *)pvByte));
     return (uint8_t)u32;
+#  endif
 
 # else