diff options
| author | Uros Bizjak <ubizjak@gmail.com> | 2012-01-24 08:23:57 +0100 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2012-01-24 08:23:57 +0100 |
| commit | 9848887afad7b720d100d536ab35deb7d6c4396c (patch) | |
| tree | ea1f1508165784c7e07892824eb4e82074787ce6 /libitm/config | |
| parent | a0236882378717d745e596030d941dd9a987a84d (diff) | |
| download | gcc-9848887afad7b720d100d536ab35deb7d6c4396c.tar.gz | |
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
Diffstat (limited to 'libitm/config')
| -rw-r--r-- | libitm/config/x86/sjlj.S | 34 | ||||
| -rw-r--r-- | libitm/config/x86/target.h | 2 |
2 files changed, 17 insertions, 19 deletions
diff --git a/libitm/config/x86/sjlj.S b/libitm/config/x86/sjlj.S index c30c216f229..0571a4ab658 100644 --- a/libitm/config/x86/sjlj.S +++ b/libitm/config/x86/sjlj.S @@ -61,20 +61,18 @@ SYM(_ITM_beginTransaction): cfi_startproc #ifdef __x86_64__ leaq 8(%rsp), %rax - movq (%rsp), %r8 - subq $72, %rsp - cfi_def_cfa_offset(80) + subq $56, %rsp + cfi_def_cfa_offset(64) movq %rax, (%rsp) - movq %r8, 8(%rsp) - movq %rbx, 16(%rsp) - movq %rbp, 24(%rsp) - movq %r12, 32(%rsp) - movq %r13, 40(%rsp) - movq %r14, 48(%rsp) - movq %r15, 56(%rsp) + movq %rbx, 8(%rsp) + movq %rbp, 16(%rsp) + movq %r12, 24(%rsp) + movq %r13, 32(%rsp) + movq %r14, 40(%rsp) + movq %r15, 48(%rsp) movq %rsp, %rsi call SYM(GTM_begin_transaction) - addq $72, %rsp + addq $56, %rsp cfi_def_cfa_offset(8) ret #else @@ -115,13 +113,13 @@ SYM(GTM_longjmp): cfi_startproc #ifdef __x86_64__ movq (%rsi), %rcx - movq 8(%rsi), %rdx - movq 16(%rsi), %rbx - movq 24(%rsi), %rbp - movq 32(%rsi), %r12 - movq 40(%rsi), %r13 - movq 48(%rsi), %r14 - movq 56(%rsi), %r15 + movq 8(%rsi), %rbx + movq 16(%rsi), %rbp + movq 24(%rsi), %r12 + movq 32(%rsi), %r13 + movq 40(%rsi), %r14 + movq 48(%rsi), %r15 + movq 56(%rsi), %rdx movl %edi, %eax cfi_def_cfa(%rcx, 0) cfi_register(%rip, %rdx) diff --git a/libitm/config/x86/target.h b/libitm/config/x86/target.h index a59608f388c..1d81a4777f3 100644 --- a/libitm/config/x86/target.h +++ b/libitm/config/x86/target.h @@ -29,13 +29,13 @@ namespace GTM HIDDEN { typedef struct gtm_jmpbuf { void *cfa; - unsigned long rip; unsigned long rbx; unsigned long rbp; unsigned long r12; unsigned long r13; unsigned long r14; unsigned long r15; + unsigned long rip; } gtm_jmpbuf; #else typedef struct gtm_jmpbuf |