Skip to content
Projects
Groups
Snippets
Help
This project
Loading...
Sign in / Register
Toggle navigation
R
riscv-gcc-1
Overview
Overview
Details
Activity
Cycle Analytics
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Charts
Issues
0
Issues
0
List
Board
Labels
Milestones
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Charts
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Charts
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
lvzhengyang
riscv-gcc-1
Commits
60c9835e
Commit
60c9835e
authored
Jan 08, 1993
by
James Van Artsdalen
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
(perform_*): Move to i386/perform.h.
Include i386/perform.h. From-SVN: r3155
parent
37d7333e
Hide whitespace changes
Inline
Side-by-side
Showing
3 changed files
with
9 additions
and
220 deletions
+9
-220
gcc/config/i386/386bsd.h
+3
-76
gcc/config/i386/mach.h
+3
-71
gcc/config/i386/osfrose.h
+3
-73
No files found.
gcc/config/i386/386bsd.h
View file @
60c9835e
...
...
@@ -5,6 +5,9 @@
#include "i386/gstabs.h"
/* Get perform_* macros to build libgcc.a. */
#include "i386/perform.h"
#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-Dunix -Di386 -D____386BSD____ -D__386BSD__ -DBSD_NET2"
...
...
@@ -57,82 +60,6 @@
#undef ASM_APP_OFF
#define ASM_APP_OFF "#NO_APP\n"
/* Defines to be able to build libgcc.a with GCC.
These are the same as in i386mach.h. */
/* It might seem that these are not important, since gcc 2 will never
call libgcc for these functions. But programs might be linked with
code compiled by gcc 1, and then these will be used. */
/* The arg names used to be a and b, but `a' appears inside strings
and that confuses non-ANSI cpp. */
#define perform_udivsi3(arg0,arg1) \
{ \
register int dx asm("dx"); \
register int ax asm("ax"); \
\
dx = 0; \
ax = arg0; \
asm ("divl %3" : "=a" (ax), "=d" (dx) : "a" (ax), "g" (arg1), "d" (dx)); \
return ax; \
}
#define perform_divsi3(arg0,arg1) \
{ \
register int dx asm("dx"); \
register int ax asm("ax"); \
\
ax = arg0; \
asm ("cltd\n\tidivl %3" : "=a" (ax), "=d" (dx) : "a" (ax), "g" (arg1)); \
return ax; \
}
#define perform_umodsi3(arg0,arg1) \
{ \
register int dx asm("dx"); \
register int ax asm("ax"); \
\
dx = 0; \
ax = arg0; \
asm ("divl %3" : "=a" (ax), "=d" (dx) : "a" (ax), "g" (arg1), "d" (dx)); \
return dx; \
}
#define perform_modsi3(arg0,arg1) \
{ \
register int dx asm("dx"); \
register int ax asm("ax"); \
\
ax = arg0; \
asm ("cltd\n\tidivl %3" : "=a" (ax), "=d" (dx) : "a" (ax), "g" (arg1)); \
return dx; \
}
#define perform_fixdfsi(arg0) \
{ \
auto unsigned short ostatus; \
auto unsigned short nstatus; \
auto int ret; \
auto double tmp; \
\
&ostatus;
/* guarantee these land in memory */
\
&nstatus; \
&ret; \
&tmp; \
\
asm volatile ("fnstcw %0" : "=m" (ostatus)); \
nstatus = ostatus | 0x0c00; \
asm volatile ("fldcw %0" :
/* no outputs */
: "m" (nstatus)); \
tmp = arg0; \
asm volatile ("fldl %0" :
/* no outputs */
: "m" (tmp)); \
asm volatile ("fistpl %0" : "=m" (ret)); \
asm volatile ("fldcw %0" :
/* no outputs */
: "m" (ostatus)); \
\
return ret; \
}
/* The following macros are stolen from i386v4.h */
/* These have to be defined to get PIC code correct */
...
...
gcc/config/i386/mach.h
View file @
60c9835e
...
...
@@ -6,6 +6,9 @@
#include "i386/gstabs.h"
/* Get perform_* macros to build libgcc.a. */
#include "i386/perform.h"
#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-Dunix -Di386 -DMACH"
...
...
@@ -14,74 +17,3 @@
/* Make stddef.h agree with types.h. */
#define SIZE_TYPE "long int"
/* Defines to be able to build libgcc.a with GCC. */
/* It might seem that these are not important, since gcc 2 will never
call libgcc for these functions. But programs might be linked with
code compiled by gcc 1, and then these will be used. */
#define perform_udivsi3(a,b) \
{ \
register int dx asm("dx"); \
register int ax asm("ax"); \
\
dx = 0; \
ax = a; \
asm ("divl %3" : "=a" (ax), "=d" (dx) : "a" (ax), "g" (b), "d" (dx)); \
return ax; \
}
#define perform_divsi3(a,b) \
{ \
register int dx asm("dx"); \
register int ax asm("ax"); \
\
ax = a; \
asm ("cltd\n\tidivl %3" : "=a" (ax), "=d" (dx) : "a" (ax), "g" (b)); \
return ax; \
}
#define perform_umodsi3(a,b) \
{ \
register int dx asm("dx"); \
register int ax asm("ax"); \
\
dx = 0; \
ax = a; \
asm ("divl %3" : "=a" (ax), "=d" (dx) : "a" (ax), "g" (b), "d" (dx)); \
return dx; \
}
#define perform_modsi3(a,b) \
{ \
register int dx asm("dx"); \
register int ax asm("ax"); \
\
ax = a; \
asm ("cltd\n\tidivl %3" : "=a" (ax), "=d" (dx) : "a" (ax), "g" (b)); \
return dx; \
}
#define perform_fixdfsi(a) \
{ \
auto unsigned short ostatus; \
auto unsigned short nstatus; \
auto int ret; \
auto double tmp; \
\
&ostatus;
/* guarantee these land in memory */
\
&nstatus; \
&ret; \
&tmp; \
\
asm volatile ("fnstcw %0" : "=m" (ostatus)); \
nstatus = ostatus | 0x0c00; \
asm volatile ("fldcw %0" :
/* no outputs */
: "m" (nstatus)); \
tmp = a; \
asm volatile ("fldl %0" :
/* no outputs */
: "m" (tmp)); \
asm volatile ("fistpl %0" : "=m" (ret)); \
asm volatile ("fldcw %0" :
/* no outputs */
: "m" (ostatus)); \
\
return ret; \
}
gcc/config/i386/osfrose.h
View file @
60c9835e
...
...
@@ -24,6 +24,9 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "halfpic.h"
#include "i386/gstabs.h"
/* Get perform_* macros to build libgcc.a. */
#include "i386/perform.h"
#define OSF_OS
#undef WORD_SWITCH_TAKES_ARG
...
...
@@ -372,76 +375,3 @@ while (0)
/* Generate calls to memcpy, etc., not bcopy, etc. */
#define TARGET_MEM_FUNCTIONS
/* Defines to be able to build libgcc.a with GCC. */
/* It might seem that these are not important, since gcc 2 will never
call libgcc for these functions. But programs might be linked with
code compiled by gcc 1, and then these will be used. */
#define perform_udivsi3(a,b) \
{ \
register int dx asm("dx"); \
register int ax asm("ax"); \
\
dx = 0; \
ax = a; \
asm ("divl %3" : "=a" (ax), "=d" (dx) : "a" (ax), "g" (b), "d" (dx)); \
return ax; \
}
#define perform_divsi3(a,b) \
{ \
register int dx asm("dx"); \
register int ax asm("ax"); \
\
ax = a; \
asm ("cltd\n\tidivl %3" : "=a" (ax), "=d" (dx) : "a" (ax), "g" (b)); \
return ax; \
}
#define perform_umodsi3(a,b) \
{ \
register int dx asm("dx"); \
register int ax asm("ax"); \
\
dx = 0; \
ax = a; \
asm ("divl %3" : "=a" (ax), "=d" (dx) : "a" (ax), "g" (b), "d" (dx)); \
return dx; \
}
#define perform_modsi3(a,b) \
{ \
register int dx asm("dx"); \
register int ax asm("ax"); \
\
ax = a; \
asm ("cltd\n\tidivl %3" : "=a" (ax), "=d" (dx) : "a" (ax), "g" (b)); \
return dx; \
}
#define perform_fixdfsi(a) \
{ \
auto unsigned short ostatus; \
auto unsigned short nstatus; \
auto int ret; \
auto double tmp; \
\
&ostatus;
/* guarantee these land in memory */
\
&nstatus; \
&ret; \
&tmp; \
\
asm volatile ("fnstcw %0" : "=m" (ostatus)); \
nstatus = ostatus | 0x0c00; \
asm volatile ("fldcw %0" :
/* no outputs */
: "m" (nstatus)); \
tmp = a; \
asm volatile ("fldl %0" :
/* no outputs */
: "m" (tmp)); \
asm volatile ("fistpl %0" : "=m" (ret)); \
asm volatile ("fldcw %0" :
/* no outputs */
: "m" (ostatus)); \
\
return ret; \
}
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