Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
L
linux
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
Analytics
Analytics
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Commits
Issue Boards
Open sidebar
Kirill Smelkov
linux
Commits
225e7f58
Commit
225e7f58
authored
Oct 08, 2002
by
Alan Cox
Committed by
Linus Torvalds
Oct 08, 2002
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
[PATCH] fix warnings in fpu code
parent
5e6c8a8a
Changes
1
Show whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
19 additions
and
19 deletions
+19
-19
arch/i386/math-emu/poly.h
arch/i386/math-emu/poly.h
+19
-19
No files found.
arch/i386/math-emu/poly.h
View file @
225e7f58
...
...
@@ -75,10 +75,10 @@ static inline unsigned long mul_32_32(const unsigned long arg1,
/* Add the 12 byte Xsig x2 to Xsig dest, with no checks for overflow. */
static
inline
void
add_Xsig_Xsig
(
Xsig
*
dest
,
const
Xsig
*
x2
)
{
asm
volatile
(
"movl %1,%%edi; movl %2,%%esi;
movl (%%esi),%%eax; addl %%eax,(%%edi);
movl 4(%%esi),%%eax; adcl %%eax,4(%%edi);
movl 8(%%esi),%%eax; adcl %%eax,8(%%edi);
"
asm
volatile
(
"movl %1,%%edi; movl %2,%%esi;
\n
"
"movl (%%esi),%%eax; addl %%eax,(%%edi);
\n
"
"movl 4(%%esi),%%eax; adcl %%eax,4(%%edi);
\n
"
"movl 8(%%esi),%%eax; adcl %%eax,8(%%edi);
\n
"
:
"=g"
(
*
dest
)
:
"g"
(
dest
),
"g"
(
x2
)
:
"ax"
,
"si"
,
"di"
);
}
...
...
@@ -90,16 +90,16 @@ static inline void add_Xsig_Xsig(Xsig *dest, const Xsig *x2)
problem, but keep fingers crossed! */
static
inline
void
add_two_Xsig
(
Xsig
*
dest
,
const
Xsig
*
x2
,
long
int
*
exp
)
{
asm
volatile
(
"movl %2,%%ecx; movl %3,%%esi;
movl (%%esi),%%eax; addl %%eax,(%%ecx);
movl 4(%%esi),%%eax; adcl %%eax,4(%%ecx);
movl 8(%%esi),%%eax; adcl %%eax,8(%%ecx);
jnc 0f;
rcrl 8(%%ecx); rcrl 4(%%ecx); rcrl (%%ecx)
movl %4,%%ecx; incl (%%ecx)
movl $1,%%eax; jmp 1f;
0: xorl %%eax,%%eax;
1:
"
asm
volatile
(
"movl %2,%%ecx; movl %3,%%esi;
\n
"
"movl (%%esi),%%eax; addl %%eax,(%%ecx);
\n
"
"movl 4(%%esi),%%eax; adcl %%eax,4(%%ecx);
\n
"
"movl 8(%%esi),%%eax; adcl %%eax,8(%%ecx);
\n
"
"jnc 0f;
\n
"
"rcrl 8(%%ecx); rcrl 4(%%ecx); rcrl (%%ecx)
\n
"
"movl %4,%%ecx; incl (%%ecx)
\n
"
"movl $1,%%eax; jmp 1f;
\n
"
"0: xorl %%eax,%%eax;
\n
"
"1:
\n
"
:
"=g"
(
*
exp
),
"=g"
(
*
dest
)
:
"g"
(
dest
),
"g"
(
x2
),
"g"
(
exp
)
:
"cx"
,
"si"
,
"ax"
);
...
...
@@ -110,11 +110,11 @@ static inline void add_two_Xsig(Xsig *dest, const Xsig *x2, long int *exp)
/* This is faster in a loop on my 386 than using the "neg" instruction. */
static
inline
void
negate_Xsig
(
Xsig
*
x
)
{
asm
volatile
(
"movl %1,%%esi;
"
"xorl %%ecx,%%ecx;
"
"movl %%ecx,%%eax; subl (%%esi),%%eax; movl %%eax,(%%esi);
"
"movl %%ecx,%%eax; sbbl 4(%%esi),%%eax; movl %%eax,4(%%esi);
"
"movl %%ecx,%%eax; sbbl 8(%%esi),%%eax; movl %%eax,8(%%esi);
"
asm
volatile
(
"movl %1,%%esi;
\n
"
"xorl %%ecx,%%ecx;
\n
"
"movl %%ecx,%%eax; subl (%%esi),%%eax; movl %%eax,(%%esi);
\n
"
"movl %%ecx,%%eax; sbbl 4(%%esi),%%eax; movl %%eax,4(%%esi);
\n
"
"movl %%ecx,%%eax; sbbl 8(%%esi),%%eax; movl %%eax,8(%%esi);
\n
"
:
"=g"
(
*
x
)
:
"g"
(
x
)
:
"si"
,
"ax"
,
"cx"
);
}
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment