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