darkkirb/old-cross-binutils
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

* Adapt to changed R5900 SQC2 opcode.

Browse source 
Thu Jun 18 17:48:01 1998  Frank Ch. Eigler  <fche@cygnus.com>
	* mips.igen (SDC2): Removed R5900 alternative.
	* r5900.igen (SQC2): Updated bit pattern to
	match changed R5900 specs.
This commit is contained in:
Frank Ch. Eigler 1998-06-18 15:11:28 +00:00
parent 3bb1e046d0
commit 5630c289dc
1 changed files with 46 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

65
sim/mips/mips.igen
View file

@ -2815,9 +2815,6 @@
// start-sanitize-vr5400
*vr5400:
// end-sanitize-vr5400
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
@ -5375,10 +5372,17 @@
// start-sanitize-sky
{
#ifdef TARGET_SKY
address_word offset = EXTEND16 (OFFSET) << 2;
extern int sky_cpcond0;
if (sky_cpcond0 == 0)
DELAY_SLOT (NIA + offset);
extern int sky_cpcond0A;
if (sky_cpcond0A == 0)
{
address_word dest = NIA + (EXTEND16 (OFFSET) << 2);
TRACE_BRANCH_RESULT (dest);
DELAY_SLOT (dest);
}
else
{
TRACE_BRANCH_RESULT (NIA);
}
#endif
}
// end-sanitize-sky
@ -5400,10 +5404,18 @@
// start-sanitize-sky
{
#ifdef TARGET_SKY
address_word offset = EXTEND16 (OFFSET) << 2;
extern int sky_cpcond0;
if (sky_cpcond0 == 0)
DELAY_SLOT (NIA + offset);
extern int sky_cpcond0A;
if (sky_cpcond0A == 0)
{
address_word dest = NIA + (EXTEND16 (OFFSET) << 2);
TRACE_BRANCH_RESULT (dest);
DELAY_SLOT (dest);
}
else
{
TRACE_BRANCH_RESULT (0);
NULLIFY_NEXT_INSTRUCTION ();
}
#endif
}
// end-sanitize-sky
@ -5418,10 +5430,17 @@
// start-sanitize-sky
{
#ifdef TARGET_SKY
address_word offset = EXTEND16 (OFFSET) << 2;
extern int sky_cpcond0;
if (sky_cpcond0 != 0)
DELAY_SLOT (NIA + offset);
extern int sky_cpcond0A;
if (sky_cpcond0A != 0)
{
address_word dest = NIA + (EXTEND16 (OFFSET) << 2);
TRACE_BRANCH_RESULT (dest);
DELAY_SLOT (dest);
}
else
{
TRACE_BRANCH_RESULT (NIA);
}
#endif
}
// end-sanitize-sky
@ -5444,10 +5463,18 @@
// start-sanitize-sky
{
#ifdef TARGET_SKY
address_word offset = EXTEND16 (OFFSET) << 2;
extern int sky_cpcond0;
if (sky_cpcond0 != 0)
DELAY_SLOT (NIA + offset);
extern int sky_cpcond0A;
if (sky_cpcond0A != 0)
{
address_word dest = NIA + (EXTEND16 (OFFSET) << 2);
TRACE_BRANCH_RESULT (dest);
DELAY_SLOT (dest);
}
else
{
TRACE_BRANCH_RESULT (0);
NULLIFY_NEXT_INSTRUCTION ();
}
#endif
}
// end-sanitize-sky