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target.h (gtm_jmpbuf): Move rip to the end of structure.
* config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the end of structure. * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update offset values. Do not copy return address. Decrement stack by 56 bytes only. (GTM_longjump) [__x86_64__]: Update offset values. From-SVN: r183467
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@ -1,3 +1,12 @@
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2012-01-24 Uros Bizjak <ubizjak@gmail.com>
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* config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
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end of structure.
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* config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
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offset values. Do not copy return address. Decrement stack
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by 56 bytes only.
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(GTM_longjump) [__x86_64__]: Update offset values.
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2012-01-23 Uros Bizjak <ubizjak@gmail.com>
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PR libitm/51830
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@ -61,20 +61,18 @@ SYM(_ITM_beginTransaction):
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cfi_startproc
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#ifdef __x86_64__
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leaq 8(%rsp), %rax
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movq (%rsp), %r8
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subq $72, %rsp
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cfi_def_cfa_offset(80)
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subq $56, %rsp
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cfi_def_cfa_offset(64)
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movq %rax, (%rsp)
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movq %r8, 8(%rsp)
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movq %rbx, 16(%rsp)
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movq %rbp, 24(%rsp)
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movq %r12, 32(%rsp)
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movq %r13, 40(%rsp)
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movq %r14, 48(%rsp)
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movq %r15, 56(%rsp)
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movq %rbx, 8(%rsp)
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movq %rbp, 16(%rsp)
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movq %r12, 24(%rsp)
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movq %r13, 32(%rsp)
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movq %r14, 40(%rsp)
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movq %r15, 48(%rsp)
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movq %rsp, %rsi
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call SYM(GTM_begin_transaction)
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addq $72, %rsp
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addq $56, %rsp
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cfi_def_cfa_offset(8)
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ret
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#else
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@ -115,13 +113,13 @@ SYM(GTM_longjmp):
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cfi_startproc
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#ifdef __x86_64__
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movq (%rsi), %rcx
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movq 8(%rsi), %rdx
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movq 16(%rsi), %rbx
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movq 24(%rsi), %rbp
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movq 32(%rsi), %r12
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movq 40(%rsi), %r13
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movq 48(%rsi), %r14
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movq 56(%rsi), %r15
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movq 8(%rsi), %rbx
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movq 16(%rsi), %rbp
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movq 24(%rsi), %r12
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movq 32(%rsi), %r13
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movq 40(%rsi), %r14
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movq 48(%rsi), %r15
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movq 56(%rsi), %rdx
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movl %edi, %eax
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cfi_def_cfa(%rcx, 0)
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cfi_register(%rip, %rdx)
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@ -29,13 +29,13 @@ namespace GTM HIDDEN {
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typedef struct gtm_jmpbuf
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{
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void *cfa;
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unsigned long rip;
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unsigned long rbx;
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unsigned long rbp;
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unsigned long r12;
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unsigned long r13;
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unsigned long r14;
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unsigned long r15;
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unsigned long rip;
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} gtm_jmpbuf;
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#else
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typedef struct gtm_jmpbuf
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