Avoid SIGILL with GCC on POWER9

1 files changed, 3 insertions, 1 deletions

diff --git a/cpu.cpp b/cpu.cpp
index 5b92b165..91416373 100644
--- a/cpu.cpp
+++ b/cpu.cpp
@@ -1213,7 +1213,9 @@ void DetectPowerpcFeatures()
 	g_hasAltivec  = CPU_QueryAltivec() || CPU_ProbeAltivec();

 	g_hasPower7 = CPU_QueryPower7() || CPU_ProbePower7();

 	g_hasPower8 = CPU_QueryPower8() || CPU_ProbePower8();

-	g_hasPower9 = CPU_QueryPower9() || CPU_ProbePower9();

+	// https://github.com/weidai11/cryptopp/issues/986

+	// g_hasPower9 = CPU_QueryPower9() || CPU_ProbePower9();

+	g_hasPower9 = CPU_QueryPower9();

 	g_hasPMULL = CPU_QueryPMULL() || CPU_ProbePMULL();

 	g_hasAES  = CPU_QueryAES() || CPU_ProbeAES();

 	g_hasSHA256 = CPU_QuerySHA256() || CPU_ProbeSHA256();