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-rw-r--r--patches/source/glibc/glibc.disable.broken.optimized.memcpy.diff30
1 files changed, 30 insertions, 0 deletions
diff --git a/patches/source/glibc/glibc.disable.broken.optimized.memcpy.diff b/patches/source/glibc/glibc.disable.broken.optimized.memcpy.diff
new file mode 100644
index 00000000..8034f120
--- /dev/null
+++ b/patches/source/glibc/glibc.disable.broken.optimized.memcpy.diff
@@ -0,0 +1,30 @@
+--- ./sysdeps/x86_64/multiarch/memcpy.S.orig 2011-01-17 22:34:07.000000000 -0600
++++ ./sysdeps/x86_64/multiarch/memcpy.S 2011-02-08 19:36:26.000000000 -0600
+@@ -32,12 +32,6 @@
+ jne 1f
+ call __init_cpu_features
+ 1: leaq __memcpy_sse2(%rip), %rax
+- testl $bit_SSSE3, __cpu_features+CPUID_OFFSET+index_SSSE3(%rip)
+- jz 2f
+- leaq __memcpy_ssse3(%rip), %rax
+- testl $bit_Fast_Copy_Backward, __cpu_features+FEATURE_OFFSET+index_Fast_Copy_Backward(%rip)
+- jz 2f
+- leaq __memcpy_ssse3_back(%rip), %rax
+ 2: ret
+ END(memcpy)
+
+--- ./sysdeps/x86_64/multiarch/mempcpy.S.orig 2011-01-17 22:34:07.000000000 -0600
++++ ./sysdeps/x86_64/multiarch/mempcpy.S 2011-02-08 19:36:37.000000000 -0600
+@@ -31,12 +31,6 @@
+ jne 1f
+ call __init_cpu_features
+ 1: leaq __mempcpy_sse2(%rip), %rax
+- testl $bit_SSSE3, __cpu_features+CPUID_OFFSET+index_SSSE3(%rip)
+- jz 2f
+- leaq __mempcpy_ssse3(%rip), %rax
+- testl $bit_Fast_Copy_Backward, __cpu_features+FEATURE_OFFSET+index_Fast_Copy_Backward(%rip)
+- jz 2f
+- leaq __mempcpy_ssse3_back(%rip), %rax
+ 2: ret
+ END(__mempcpy)
+