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--- make/autoconf/flags-cflags.m4.orig 2025-09-16 10:24:48 UTC
+++ make/autoconf/flags-cflags.m4
@@ -780,6 +780,9 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS_CPU_DEP],
# Use Power8, this is the first CPU to support PPC64 LE with ELFv2 ABI.
$1_CFLAGS_CPU_JVM="${$1_CFLAGS_CPU_JVM} -DABI_ELFv2 -mcpu=power8 -mtune=power10"
fi
+ if test "x$FLAGS_CPU" = xppc64; then
+ $1_CFLAGS_CPU_JVM="${$1_CFLAGS_CPU_JVM} -DABI_ELFv2 -mcpu=powerpc64 -mtune=power5"
+ fi
fi
if test "x$OPENJDK_TARGET_OS" = xaix; then
$1_CFLAGS_CPU="-mcpu=pwr8"
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