security/openfhe: fix build on powerpc*

Same patch as for security/palisade.
freebsd · Dec 6, 2022 · e60e29c · e60e29c
1 parent df3e7be
commit e60e29c
Showing 1 changed file with 26 additions and 0 deletions.
diff --git a/security/openfhe/files/patch-src_core_include_math_hal_intnat_ubintnat.h b/security/openfhe/files/patch-src_core_include_math_hal_intnat_ubintnat.h
@@ -0,0 +1,26 @@
+--- src/core/include/math/hal/intnat/ubintnat.h.orig	2022-12-06 03:29:13 UTC
++++ src/core/include/math/hal/intnat/ubintnat.h
+@@ -2152,17 +2152,17 @@ class NativeIntegerT : public lbcrypto::BigIntegerInte
+         res.lo = x.lo * y;
+         asm("umulh %0, %1, %2\n\t" : "=r"(res.hi) : "r"(x.lo), "r"(y));
+         res.hi += x.hi * y;
+-#elif defined(__arm__)  // 32 bit processor
++#elif defined(__powerpc64__) || defined(__riscv)
++        U128BITS wres(0), wa(a), wb(b);
++        wres   = wa * wb;  // should give us 128 bits  of 64 * 64
++        res.hi = (uint64_t)(wres >> 64);
++        res.lo = (uint64_t)wres;
++#elif defined(__arm__)  || defined(__powerpc__) // 32 bit processor
+         uint64_t wres(0), wa(a), wb(b);
+
+         wres   = wa * wb;  // should give us the lower 64 bits of 32*32
+         res.hi = wres >> 32;
+         res.lo = (uint32_t)wres & 0xFFFFFFFF;
+-#elif __riscv
+-        U128BITS wres(0), wa(a), wb(b);
+-        wres   = wa * wb;  // should give us 128 bits  of 64 * 64
+-        res.hi = (uint64_t)(wres >> 64);
+-        res.lo = (uint64_t)wres;
+ #elif defined(__EMSCRIPTEN__)  // web assembly
+         U64BITS a1 = a >> 32;
+         U64BITS a2 = (uint32_t)a;