Fixed FSCAL instruction causing group F registers to exceed their int…

…ended maximum value
tevador · May 15, 2019 · 2b3a03a · 2b3a03a
1 parent 2a04dfd
commit 2b3a03a
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Showing 3 changed files with 3 additions and 3 deletions.
diff --git a/src/asm/program_xmm_constants.inc b/src/asm/program_xmm_constants.inc
@@ -3,4 +3,4 @@ mantissaMask:
 exp240:
 	db 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
 scaleMask:
-	db 0, 0, 0, 0, 0, 0, 240, 129, 0, 0, 0, 0, 0, 0, 240, 129
+	db 0, 0, 0, 0, 0, 0, 240, 128, 0, 0, 0, 0, 0, 0, 240, 128
diff --git a/src/tests/benchmark.cpp b/src/tests/benchmark.cpp
@@ -229,7 +229,7 @@ int main(int argc, char** argv) {
 		std::cout << "Calculated result: ";
 		result.print(std::cout);
 		if (noncesCount == 1000 && seedValue == 0)
-			std::cout << "Reference result:  57eb2044a20f8d6d6ef75eba6d879af5b9850556cb5a7cb459d7b091bd8d63aa" << std::endl;
+			std::cout << "Reference result:  d908c4ce0329e2e104c08c3a76b427dd9dad3622a04b06af965cd00cd62b2d2e" << std::endl;
 		if (!miningMode) {
 			std::cout << "Performance: " << 1000 * elapsed / noncesCount << " ms per hash" << std::endl;
 		}

diff --git a/src/vm_interpreted.cpp b/src/vm_interpreted.cpp
@@ -161,7 +161,7 @@ namespace randomx {
 			} break;
 
 			case InstructionType::FSCAL_R: {
-				const rx_vec_f128 mask = rx_set1_vec_f128(0x81F0000000000000);
+				const rx_vec_f128 mask = rx_set1_vec_f128(0x80F0000000000000);
 				*ibc.fdst = rx_xor_vec_f128(*ibc.fdst, mask);
 			} break;