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2000-11-20 Ben Elliston <bje@redhat.com>

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* cgen-ops.h (SUBBI): New macro.
	(SUBWORDSIQI, SUBWORDSIHI, SUBWORDSIUQI): New functions.
	(SUBWORDDIHI, SUBWORDDIUQI, SUBWORDDIDF): Likewise.
This commit is contained in:
Ben Elliston 2000-11-19 22:27:14 +00:00
parent b612ab9c43
commit 4f49fa1bf0
2 changed files with 62 additions and 1 deletions
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6
sim/common/ChangeLog
View File

@ -1,3 +1,9 @@
2000-11-20 Ben Elliston <bje@redhat.com>
* cgen-ops.h (SUBBI): New macro.
(SUBWORDSIQI, SUBWORDSIHI, SUBWORDSIUQI): New functions.
(SUBWORDDIHI, SUBWORDDIUQI, SUBWORDDIDF): Likewise.
2000-11-16 Ben Elliston <bje@redhat.com>
* cgen-types.h (VOID): New type.

57
sim/common/cgen-ops.h
View File

@ -23,6 +23,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#ifndef CGEN_SEM_OPS_H
#define CGEN_SEM_OPS_H
#include <assert.h>
#if defined (__GNUC__) && ! defined (SEMOPS_DEFINE_INLINE)
#define SEMOPS_DEFINE_INLINE
#define SEMOPS_INLINE extern inline
@ -39,6 +41,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#define ANDIF(x, y) ((x) && (y))
#define ORIF(x, y) ((x) || (y))
#define SUBBI(x, y) ((x) - (y))
#define ANDBI(x, y) ((x) & (y))
#define ORBI(x, y) ((x) | (y))
#define XORBI(x, y) ((x) ^ (y))
@ -308,6 +311,44 @@ SUBWORDSISF (SI in)
return x.out;
}
SEMOPS_INLINE DF
SUBWORDDIDF (DI in)
{
union { DI in; DF out; } x;
x.in = in;
return x.out;
}
SEMOPS_INLINE QI
SUBWORDSIQI (SI in, int byte)
{
assert (byte >= 0 && byte <= 3);
return (UQI) (in >> (8 * (3 - byte)));
}
SEMOPS_INLINE UQI
SUBWORDSIUQI (SI in, int byte)
{
assert (byte >= 0 && byte <= 3);
return (UQI) (in >> (8 * (3 - byte)));
}
SEMOPS_INLINE HI
SUBWORDDIHI (DI in, int word)
{
assert (word >= 0 && word <= 3);
return (UHI) (in >> (16 * (3 - word)));
}
SEMOPS_INLINE HI
SUBWORDSIHI (SI in, int word)
{
if (word == 0)
return (USI) in >> 16;
else
return in;
}
SEMOPS_INLINE SI
SUBWORDSFSI (SF in)
{
@ -316,6 +357,13 @@ SUBWORDSFSI (SF in)
return x.out;
}
SEMOPS_INLINE UQI
SUBWORDDIUQI (DI in, int byte)
{
assert (byte >= 0 && byte <= 7);
return (UQI) (in >> (8 * (7 - byte)));
}
SEMOPS_INLINE SI
SUBWORDDISI (DI in, int word)
{
@ -397,13 +445,20 @@ JOINSITF (SI x0, SI x1, SI x2, SI x3)
#else
SF SUBWORDSISF (SI);
QI SUBWORDSIQI (SI);
HI SUBWORDSIHI (HI);
SI SUBWORDSFSI (SF);
SF SUBWORDSISF (SI);
DF SUBWORDDIDF (DI);
HI SUBWORDDIHI (DI, int);
SI SUBWORDDISI (DI, int);
SI SUBWORDDFSI (DF, int);
SI SUBWORDXFSI (XF, int);
SI SUBWORDTFSI (TF, int);
UQI SUBWORDSIUQI (SI);
UQI SUBWORDDIUQI (DI);
DI JOINSIDI (SI, SI);
DF JOINSIDF (SI, SI);
XF JOINSIXF (SI, SI, SI);