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Fix crash in sgemm SSE/nano kernel on x86_64
authorCelelibi <celelibi@gmail.com>
Thu, 7 Mar 2019 15:39:41 +0000 (16:39 +0100)
committerCelelibi <celelibi@gmail.com>
Thu, 7 Mar 2019 15:55:13 +0000 (16:55 +0100)
Fix bug #2047.

Signed-off-by: Celelibi <celelibi@gmail.com>
kernel/x86_64/gemm_kernel_4x8_nano.S patch | blob | history
kernel/x86_64/gemm_kernel_8x4_sse.S patch | blob | history

diff --git a/kernel/x86_64/gemm_kernel_4x8_nano.S b/kernel/x86_64/gemm_kernel_4x8_nano.S
index 0745628..e29520f 100644 (file)
--- a/kernel/x86_64/gemm_kernel_4x8_nano.S
+++ b/kernel/x86_64/gemm_kernel_4x8_nano.S
@@ -135,7 +135,7 @@
 #endif
 
        movq    %rsp, %rbx      # save old stack
-       subq    $128 + LOCAL_BUFFER_SIZE, %rsp
+       subq    $256 + LOCAL_BUFFER_SIZE, %rsp
        andq    $-4096, %rsp    # align stack
 
        STACK_TOUCHING
diff --git a/kernel/x86_64/gemm_kernel_8x4_sse.S b/kernel/x86_64/gemm_kernel_8x4_sse.S
index c4ef1f8..1602c13 100644 (file)
--- a/kernel/x86_64/gemm_kernel_8x4_sse.S
+++ b/kernel/x86_64/gemm_kernel_8x4_sse.S
@@ -383,7 +383,7 @@
        EMMS
 
        movq    %rsp, %rbx      # save old stack
-       subq    $128 + LOCAL_BUFFER_SIZE, %rsp
+       subq    $256 + LOCAL_BUFFER_SIZE, %rsp
        andq    $-4096, %rsp    # align stack
 
        STACK_TOUCHING
Domain: Machine Learning / ML Framework;