x32 support

CVS-ID: yespower-opt.c 1.3
openwall · Apr 7, 2019 · 2728f2f · 2728f2f
1 parent 3d9a773
commit 2728f2f
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/yespower-opt.c b/yespower-opt.c
@@ -531,6 +531,11 @@ static volatile uint64_t Smask2var = Smask2;
 #undef MAYBE_MEMORY_BARRIER
 #define MAYBE_MEMORY_BARRIER \
 	__asm__("" : : : "memory");
+#ifdef __ILP32__ /* x32 */
+#define REGISTER_PREFIX "e"
+#else
+#define REGISTER_PREFIX "r"
+#endif
 #define PWXFORM_SIMD(X) { \
 	__m128i H; \
 	__asm__( \
@@ -540,8 +545,8 @@ static volatile uint64_t Smask2var = Smask2;
 	    "pmuludq %1, %0\n\t" \
 	    "movl %%eax, %%ecx\n\t" \
 	    "shrq $0x20, %%rax\n\t" \
-	    "paddq (%3,%%rcx), %0\n\t" \
-	    "pxor (%4,%%rax), %0\n\t" \
+	    "paddq (%3,%%" REGISTER_PREFIX "cx), %0\n\t" \
+	    "pxor (%4,%%" REGISTER_PREFIX "ax), %0\n\t" \
 	    : "+x" (X), "=x" (H) \
 	    : "d" (Smask2), "S" (S0), "D" (S1) \
 	    : "cc", "ax", "cx"); \