JehanneOS
/
newlib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

* hppa.h (pa_opcodes): Add pa2.0 instructions hadd, hshl, 

hshr, hsub, mixh, mixw, permh.
This commit is contained in:
Jeff Law 1999-08-28 08:46:57 +00:00
parent ad9cdcce7b
commit a7192fe0ab
2 changed files with 19 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/opcode/ChangeLog
View File

@ -1,5 +1,8 @@
Sat Aug 28 00:25:25 1999 Jerry Quinn <jquinn@nortelnetworks.com> Sat Aug 28 00:25:25 1999 Jerry Quinn <jquinn@nortelnetworks.com>
* hppa.h (pa_opcodes): Add pa2.0 instructions hadd, hshl,
hshr, hsub, mixh, mixw, permh.
* hppa.h (pa_opcodes): Change completers in instructions to * hppa.h (pa_opcodes): Change completers in instructions to
use 'c' prefix. use 'c' prefix.

19
include/opcode/hppa.h
View File

@ -70,9 +70,9 @@ struct pa_opcode
In the args field, the following characters are unused: In the args field, the following characters are unused:
' "# %& *+- / :;< > @' ' "# %& +- / :;< > @'
' C LM U YZ[\] ' ' C LM U YZ[\] '
'a d l {|} ' ' d l {|} '
Here are all the characters: Here are all the characters:
@ -84,6 +84,7 @@ Kinds of operands:
x integer register field at 15. x integer register field at 15.
b integer register field at 10. b integer register field at 10.
t integer register field at 31. t integer register field at 31.
a integer register field at 10 and 15 (for PERMH)
y floating point register field at 31 y floating point register field at 31
5 5 bit immediate at 15. 5 5 bit immediate at 15.
s 2 bit space specifier at 17. s 2 bit space specifier at 17.
@ -104,6 +105,10 @@ Completer operands all have 'c' as the prefix:
cm short load and store completer. cm short load and store completer.
cs store bytes short completer. cs store bytes short completer.
cZ System Control Completer (to support LPA, LHA, etc.) cZ System Control Completer (to support LPA, LHA, etc.)
ch left/right half completer
cH signed/unsigned saturation completer
cS signed/unsigned completer at 21
c* permutation completer
Condition operands all have '?' as the prefix: Condition operands all have '?' as the prefix:
@ -143,6 +148,7 @@ Condition operands all have '?' as the prefix:
Also these: Also these:
. 2 bit shift amount at 25 . 2 bit shift amount at 25
* 4 bit shift amount at 25
p 5 bit shift count at 26 (to support the SHD instruction) encoded as p 5 bit shift count at 26 (to support the SHD instruction) encoded as
31-p 31-p
~ 6 bit shift count at 20,22:26 encoded as 63-~. ~ 6 bit shift count at 20,22:26 encoded as 63-~.
@ -305,8 +311,8 @@ static const struct pa_opcode pa_opcodes[] =
{ "addibt", 0xa4000000, 0xfc000000, "?dn5,b,w", pa10}, { "addibt", 0xa4000000, 0xfc000000, "?dn5,b,w", pa10},
{ "addibf", 0xac000000, 0xfc000000, "?dn5,b,w", pa10}, { "addibf", 0xac000000, 0xfc000000, "?dn5,b,w", pa10},
{ "bb", 0xc0006000, 0xffe06000, "?Bnx,!,w", pa20, FLAG_STRICT}, { "bb", 0xc0006000, 0xffe06000, "?Bnx,!,w", pa20, FLAG_STRICT},
{ "bb", 0xc0004000, 0xffe06000, "?bnx,!,w", pa10, FLAG_STRICT},
{ "bb", 0xc4006000, 0xfc006000, "?Bnx,Q,w", pa20, FLAG_STRICT}, { "bb", 0xc4006000, 0xfc006000, "?Bnx,Q,w", pa20, FLAG_STRICT},
{ "bb", 0xc0004000, 0xffe06000, "?bnx,!,w", pa10, FLAG_STRICT},
{ "bb", 0xc4004000, 0xfc004000, "?bnx,Q,w", pa10}, { "bb", 0xc4004000, 0xfc004000, "?bnx,Q,w", pa10},
{ "bvb", 0xc0004000, 0xffe04000, "?bnx,w", pa10}, { "bvb", 0xc0004000, 0xffe04000, "?bnx,w", pa10},
{ "clrbts", 0xe8004005, 0xffffffff, "", pa20, FLAG_STRICT}, { "clrbts", 0xe8004005, 0xffffffff, "", pa20, FLAG_STRICT},
@ -368,9 +374,16 @@ static const struct pa_opcode pa_opcodes[] =
/* Subword Operation Instructions */ /* Subword Operation Instructions */
{ "hadd", 0x08000300, 0xfc00ff20, "cHx,b,t", pa20, FLAG_STRICT},
{ "havg", 0x080002c0, 0xfc00ffe0, "x,b,t", pa20, FLAG_STRICT}, { "havg", 0x080002c0, 0xfc00ffe0, "x,b,t", pa20, FLAG_STRICT},
{ "hshl", 0xf8008800, 0xffe0fc20, "x,*,t", pa20, FLAG_STRICT},
{ "hshladd", 0x08000700, 0xfc00ff20, "x,.,b,t", pa20, FLAG_STRICT}, { "hshladd", 0x08000700, 0xfc00ff20, "x,.,b,t", pa20, FLAG_STRICT},
{ "hshr", 0xf800c800, 0xfc10f820, "cSb,*,t", pa20, FLAG_STRICT},
{ "hshradd", 0x08000500, 0xfc00ff20, "x,.,b,t", pa20, FLAG_STRICT}, { "hshradd", 0x08000500, 0xfc00ff20, "x,.,b,t", pa20, FLAG_STRICT},
{ "hsub", 0x08000100, 0xfc00ff20, "cHx,b,t", pa20, FLAG_STRICT},
{ "mixh", 0xf8008400, 0xfc009fe0, "chx,b,t", pa20, FLAG_STRICT},
{ "mixw", 0xf8008000, 0xfc009fe0, "chx,b,t", pa20, FLAG_STRICT},
{ "permh", 0xf8000000, 0xfc009020, "c*a,t", pa20, FLAG_STRICT},
/* Extract and Deposit Instructions */ /* Extract and Deposit Instructions */