Refs #310. Fixed Segfault bug on nehalem when Julia calling dgeqrt3 on OSX.

Please also check JuliaLang/julia#4099
Julia test script:
  A=rand(256, 256)
  qrfact(A)

I found this was a bug in kernel/x86_64/dgemm_ncopy_8.S.
However, I cannot use gdb with julia. Thus, this is a walkaround fix.

diff --git a/kernel/x86_64/KERNEL.NEHALEM b/kernel/x86_64/KERNEL.NEHALEM
index 58a883243faa7798bd16cd47adab2a29385dfde7..1a1c7a2e0c149c72d77af860a2eb40945e1fa367 100644 (file)
--- a/kernel/x86_64/KERNEL.NEHALEM
+++ b/kernel/x86_64/KERNEL.NEHALEM
@@ -10,7 +10,7 @@ SGEMMOTCOPYOBJ =  sgemm_otcopy$(TSUFFIX).$(SUFFIX)
 DGEMMKERNEL    =  gemm_kernel_2x8_nehalem.S
 DGEMMINCOPY    =  dgemm_ncopy_2.S
 DGEMMITCOPY    =  dgemm_tcopy_2.S
-DGEMMONCOPY    =  dgemm_ncopy_8.S
+DGEMMONCOPY    =  ../generic/gemm_ncopy_8.c
 DGEMMOTCOPY    =  dgemm_tcopy_8.S
 DGEMMINCOPYOBJ =  dgemm_incopy$(TSUFFIX).$(SUFFIX)
 DGEMMITCOPYOBJ =  dgemm_itcopy$(TSUFFIX).$(SUFFIX)