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changed stack touching

This commit is contained in:
wernsaar 2013-06-08 10:43:08 +02:00
parent ba800f0883
commit e4c39c7c26
1 changed files with 27 additions and 1 deletions
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28
kernel/x86_64/dgemm_kernel_8x2_bulldozer.S
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@ -161,6 +161,32 @@
#define BUFFER1 128(%rsp)
#define BUFFER2 LB2_OFFSET+128(%rsp)
#if defined(OS_WINDOWS)
#if L_BUFFER_SIZE > 16384
#define STACK_TOUCH \
movl $0, 4096 * 4(%rsp);\
movl $0, 4096 * 3(%rsp);\
movl $0, 4096 * 2(%rsp);\
movl $0, 4096 * 1(%rsp);
#elif L_BUFFER_SIZE > 12288
#define STACK_TOUCH \
movl $0, 4096 * 3(%rsp);\
movl $0, 4096 * 2(%rsp);\
movl $0, 4096 * 1(%rsp);
#elif L_BUFFER_SIZE > 8192
#define STACK_TOUCH \
movl $0, 4096 * 2(%rsp);\
movl $0, 4096 * 1(%rsp);
#elif L_BUFFER_SIZE > 4096
#define STACK_TOUCH \
movl $0, 4096 * 1(%rsp);
#else
#define STACK_TOUCH
#endif
#else
#define STACK_TOUCH
#endif
#define A_PR1 384
@ -899,7 +925,7 @@
subq $128 + L_BUFFER_SIZE, %rsp
andq $-4096, %rsp # align stack
STACK_TOUCHING
STACK_TOUCH
cmpq $0, OLD_M
je .L999