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import gdb-1999-09-28 snapshot

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This commit is contained in:
Jason Molenda
1999-09-28 21:55:21 +00:00
parent f4bda9848f
commit 6426a772a2
37 changed files with 925 additions and 603 deletions
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86
sim/common/cgen-ops.h
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@ -1,4 +1,3 @@
/* Semantics ops support for CGEN-based simulators.
Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
Contributed by Cygnus Solutions.
@ -285,15 +284,15 @@ extern SI TRUNCDISI (DI);
#define TRUNCDISI(x) ((SI) (DI) (x))
#endif
/* Composing/decomposing the various types. */
/* ??? endianness issues undecided */
/* ??? CURRENT_TARGET_BYTE_ORDER usage wip */
/* Composing/decomposing the various types.
Word ordering is endian-independent. Words are specified most to least
significant and word number 0 is the most significant word.
??? May also wish an endian-dependent version. Later. */
#ifdef SEMOPS_DEFINE_INLINE
SEMOPS_INLINE SF
SUBWORDSISF (SIM_CPU *cpu, SI in)
SUBWORDSISF (SI in)
{
union { SI in; SF out; } x;
x.in = in;
@ -301,7 +300,7 @@ SUBWORDSISF (SIM_CPU *cpu, SI in)
}
SEMOPS_INLINE SI
SUBWORDSFSI (SIM_CPU *cpu, SF in)
SUBWORDSFSI (SF in)
{
union { SF in; SI out; } x;
x.in = in;
@ -309,59 +308,44 @@ SUBWORDSFSI (SIM_CPU *cpu, SF in)
}
SEMOPS_INLINE SI
SUBWORDDISI (SIM_CPU *cpu, DI in, int word)
SUBWORDDISI (DI in, int word)
{
if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
{
if (word == 0)
return (UDI) in >> 32;
else
return in;
}
if (word == 0)
return (UDI) in >> 32;
else
{
if (word == 1)
return (UDI) in >> 32;
else
return in;
}
return in;
}
SEMOPS_INLINE SI
SUBWORDDFSI (SIM_CPU *cpu, DF in, int word)
SUBWORDDFSI (DF in, int word)
{
union { DF in; SI out[2]; } x;
x.in = in;
if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
return x.out[word];
/* Note: typedef UDI DF; */
if (word == 0)
return (UDI) in >> 32;
else
return x.out[!word];
return in;
}
SEMOPS_INLINE SI
SUBWORDXFSI (SIM_CPU *cpu, XF in, int word)
SUBWORDXFSI (XF in, int word)
{
/* Note: typedef struct { SI parts[3]; } XF; */
union { XF in; SI out[3]; } x;
x.in = in;
if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
return x.out[word];
else
return x.out[2 - word];
return x.out[word];
}
SEMOPS_INLINE SI
SUBWORDTFSI (SIM_CPU *cpu, TF in, int word)
SUBWORDTFSI (TF in, int word)
{
/* Note: typedef struct { SI parts[4]; } TF; */
union { TF in; SI out[4]; } x;
x.in = in;
if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
return x.out[word];
else
return x.out[3 - word];
return x.out[word];
}
SEMOPS_INLINE DI
JOINSIDI (SIM_CPU *cpu, SI x0, SI x1)
JOINSIDI (SI x0, SI x1)
{
if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
return MAKEDI (x0, x1);
@ -370,7 +354,7 @@ JOINSIDI (SIM_CPU *cpu, SI x0, SI x1)
}
SEMOPS_INLINE DF
JOINSIDF (SIM_CPU *cpu, SI x0, SI x1)
JOINSIDF (SI x0, SI x1)
{
union { SI in[2]; DF out; } x;
if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
@ -381,7 +365,7 @@ JOINSIDF (SIM_CPU *cpu, SI x0, SI x1)
}
SEMOPS_INLINE XF
JOINSIXF (SIM_CPU *cpu, SI x0, SI x1, SI x2)
JOINSIXF (SI x0, SI x1, SI x2)
{
union { SI in[3]; XF out; } x;
if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
@ -392,7 +376,7 @@ JOINSIXF (SIM_CPU *cpu, SI x0, SI x1, SI x2)
}
SEMOPS_INLINE TF
JOINSITF (SIM_CPU *cpu, SI x0, SI x1, SI x2, SI x3)
JOINSITF (SI x0, SI x1, SI x2, SI x3)
{
union { SI in[4]; TF out; } x;
if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
@ -404,17 +388,17 @@ JOINSITF (SIM_CPU *cpu, SI x0, SI x1, SI x2, SI x3)
#else
SF SUBWORDSISF (SIM_CPU *, SI);
SI SUBWORDSFSI (SIM_CPU *, SF);
SI SUBWORDDISI (SIM_CPU *, DI, int);
SI SUBWORDDFSI (SIM_CPU *, DF, int);
SI SUBWORDXFSI (SIM_CPU *, XF, int);
SI SUBWORDTFSI (SIM_CPU *, TF, int);
SF SUBWORDSISF (SI);
SI SUBWORDSFSI (SF);
SI SUBWORDDISI (DI, int);
SI SUBWORDDFSI (DF, int);
SI SUBWORDXFSI (XF, int);
SI SUBWORDTFSI (TF, int);
DI JOINSIDI (SIM_CPU *, SI, SI);
DF JOINSIDF (SIM_CPU *, SI, SI);
XF JOINSIXF (SIM_CPU *, SI, SI, SI);
TF JOINSITF (SIM_CPU *, SI, SI, SI, SI);
DI JOINSIDI (SI, SI);
DF JOINSIDF (SI, SI);
XF JOINSIXF (SI, SI, SI);
TF JOINSITF (SI, SI, SI, SI);
#endif /* SUBWORD,JOIN */