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2002-03-02 Chris Demetriou <cgd@broadcom.com> 

* interp.c (load_word): Use EXTEND32 rather than SIGNEXTEND.
	* mips.igen (LL, CxC1, MxC1): Likewise.
This commit is contained in:
Chris Demetriou 2002-03-03 06:49:43 +00:00
parent c1e8ada406
commit 043b7057fd
3 changed files with 13 additions and 8 deletions
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5
sim/mips/ChangeLog
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@ -1,3 +1,8 @@
2002-03-02 Chris Demetriou <cgd@broadcom.com>
* interp.c (load_word): Use EXTEND32 rather than SIGNEXTEND.
* mips.igen (LL, CxC1, MxC1): Likewise.
2002-03-02 Chris Demetriou <cgd@broadcom.com>
* mips.igen (LL, LLD, PREF, SC, SCD, ABS.fmt, ADD.fmt, CEIL.L.fmt,

2
sim/mips/interp.c
View File

@ -1426,7 +1426,7 @@ load_word (SIM_DESC sd,
LoadMemory (&memval,NULL,uncached, AccessLength_WORD, paddr, vaddr,
isDATA, isREAL);
byte = (vaddr & mask) ^ (bigend << 2);
return SIGNEXTEND (((memval >> (8 * byte)) & 0xffffffff), 32);
return EXTEND32 (memval >> (8 * byte));
}
}

14
sim/mips/mips.igen
View File

@ -1716,7 +1716,7 @@
paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
byte = ((vaddr & mask) ^ (bigend << shift));
GPR[RT] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32));
GPR[RT] = EXTEND32 (memval >> (8 * byte));
LLBIT = 1;
}
}
@ -3269,9 +3269,9 @@
else
{ /* control from */
if (FS == 0)
PENDING_FILL(RT,SIGNEXTEND(FCR0,32));
PENDING_FILL(RT, EXTEND32 (FCR0));
else if (FS == 31)
PENDING_FILL(RT,SIGNEXTEND(FCR31,32));
PENDING_FILL(RT, EXTEND32 (FCR31));
/* else NOP */
}
}
@ -3310,12 +3310,12 @@
if (FS == 0)
{
TRACE_ALU_INPUT1 (FCR0);
GPR[RT] = SIGNEXTEND (FCR0, 32);
GPR[RT] = EXTEND32 (FCR0);
}
else if (FS == 31)
{
TRACE_ALU_INPUT1 (FCR31);
GPR[RT] = SIGNEXTEND (FCR31, 32);
GPR[RT] = EXTEND32 (FCR31);
}
TRACE_ALU_RESULT (GPR[RT]);
/* else NOP */
@ -3656,7 +3656,7 @@
PENDING_FILL ((FS + FGRIDX), VL4_8(GPR[RT]));
}
else /*MFC1*/
PENDING_FILL (RT, SIGNEXTEND(FGR[FS],32));
PENDING_FILL (RT, EXTEND32 (FGR[FS]));
}
010001,00,X,00,5.RT,5.FS,00000000000:COP1Sb:32,f::MxC1
"m%s<X>c1 r<RT>, f<FS>"
@ -3672,7 +3672,7 @@
/*MTC1*/
StoreFPR (FS, fmt_uninterpreted_32, VL4_8 (GPR[RT]));
else /*MFC1*/
GPR[RT] = SIGNEXTEND(FGR[FS],32);
GPR[RT] = EXTEND32 (FGR[FS]);
}