Changeset 94512 in vbox

Timestamp:

Apr 7, 2022 1:21:28 PM (2 years ago)

Author:

vboxsync

Message:

IPRT: Added RTUInt128MulEx and RTUInt128MulU64Ex as well as a limited RTUInt256Xxx Api. [build fix] bugref:9898

File:

• trunk/include/iprt/asm-math.h (modified) (3 diffs)

trunk/include/iprt/asm-math.h

@@ -121 +121 @@
 
 
-#if ARCH_BITS == 64
 DECLINLINE(uint64_t) ASMMult2xU64Ret2xU64(uint64_t u64F1, uint64_t u64F2, uint64_t *pu64ProdHi)
 {
-# if defined(RT_ARCH_AMD64) && (RT_INLINE_ASM_GNU_STYLE || RT_INLINE_ASM_USES_INTRIN)
-#  if RT_INLINE_ASM_GNU_STYLE
+#if defined(RT_ARCH_AMD64) && (RT_INLINE_ASM_GNU_STYLE || RT_INLINE_ASM_USES_INTRIN)
+# if RT_INLINE_ASM_GNU_STYLE
     uint64_t u64Low, u64High;
     __asm__ __volatile__("mulq %%rdx"
@@ -132 +131 @@
     *pu64ProdHi = u64High;
     return u64Low;
-#  elif RT_INLINE_ASM_USES_INTRIN
+# elif RT_INLINE_ASM_USES_INTRIN
     return _umul128(u64F1, u64F2, pu64ProdHi);
-#  else
-#   error "hmm"
-#  endif
-# else  /* generic: */
+# else
+#  error "hmm"
+# endif
+#else  /* generic: */
     /*
      *   F1 * F2 = Prod
@@ -176 +175 @@
     *pu64ProdHi  = Prod.s.Hi;
     return Prod.s.Lo;
-# endif
-}
-#endif
+#endif
+}