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| author | delphij <delphij@FreeBSD.org> | 2012-06-21 21:47:08 +0000 |
|---|---|---|
| committer | delphij <delphij@FreeBSD.org> | 2012-06-21 21:47:08 +0000 |
| commit | f1aa6057552263943bc055b803d1254994d5f139 (patch) | |
| tree | 77406785fe7cd37081c5a9cabb2dc128be5b4716 /lib/libz/contrib/asm686 | |
| parent | 47822f6690f1e74d6e808a2d97e6ed1ce4ad5089 (diff) | |
| parent | 5ecec51ae55e160069af12ac1c8fb3c4612e498d (diff) | |
| download | FreeBSD-src-f1aa6057552263943bc055b803d1254994d5f139.zip FreeBSD-src-f1aa6057552263943bc055b803d1254994d5f139.tar.gz | |
MFV: Update zlib to 1.2.7.
(x86 assembler optimization disabled for now because it
requires the new .cfi_* directives that is not supported
by base system binutils).
MFC after: 1 week
Diffstat (limited to 'lib/libz/contrib/asm686')
| -rw-r--r-- | lib/libz/contrib/asm686/match.S | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/lib/libz/contrib/asm686/match.S b/lib/libz/contrib/asm686/match.S index 06817e1..fa42109 100644 --- a/lib/libz/contrib/asm686/match.S +++ b/lib/libz/contrib/asm686/match.S @@ -83,17 +83,25 @@ .text /* uInt longest_match(deflate_state *deflatestate, IPos curmatch) */ +.cfi_sections .debug_frame longest_match: +.cfi_startproc /* Save registers that the compiler may be using, and adjust %esp to */ /* make room for our stack frame. */ pushl %ebp + .cfi_def_cfa_offset 8 + .cfi_offset ebp, -8 pushl %edi + .cfi_def_cfa_offset 12 pushl %esi + .cfi_def_cfa_offset 16 pushl %ebx + .cfi_def_cfa_offset 20 subl $LocalVarsSize, %esp + .cfi_def_cfa_offset LocalVarsSize+20 /* Retrieve the function arguments. %ecx will hold cur_match */ /* throughout the entire function. %edx will hold the pointer to the */ @@ -108,7 +116,7 @@ longest_match: /* if (s->prev_length >= s->good_match) { */ /* chain_length >>= 2; */ /* } */ - + movl dsPrevLen(%edx), %eax movl dsGoodMatch(%edx), %ebx cmpl %ebx, %eax @@ -336,8 +344,14 @@ LookaheadRet: /* Restore the stack and return from whence we came. */ addl $LocalVarsSize, %esp + .cfi_def_cfa_offset 20 popl %ebx + .cfi_def_cfa_offset 16 popl %esi + .cfi_def_cfa_offset 12 popl %edi + .cfi_def_cfa_offset 8 popl %ebp + .cfi_def_cfa_offset 4 +.cfi_endproc match_init: ret |
