* The FPU emulator doesn't work properly
@ 2001-02-06 16:07 Carsten Langgaard
2001-02-07 7:34 ` Ralf Baechle
0 siblings, 1 reply; 2+ messages in thread
From: Carsten Langgaard @ 2001-02-06 16:07 UTC (permalink / raw)
To: linux-mips
I think I have send this patch before, but it hasn't got in to the
archive, apparently.
This is needed in order to get the FPU emulator work properly.
Index: arch/mips/kernel/branch.c
===================================================================
RCS file: /home/repository/sw/linux-2.4.0/arch/mips/kernel/branch.c,v
retrieving revision 1.3
diff -u -r1.3 branch.c
--- branch.c 2000/12/05 13:46:12 1.3
+++ branch.c 2001/02/06 15:46:53
@@ -69,7 +69,7 @@
switch (insn.i_format.rt) {
case bltz_op:
case bltzl_op:
- if (regs->regs[insn.i_format.rs] < 0)
+ if ((long)regs->regs[insn.i_format.rs] < 0)
epc = epc + 4 +
(insn.i_format.simmediate << 2);
else
epc += 8;
@@ -78,7 +78,7 @@
case bgez_op:
case bgezl_op:
- if (regs->regs[insn.i_format.rs] >= 0)
+ if ((long)regs->regs[insn.i_format.rs] >= 0)
epc = epc + 4 +
(insn.i_format.simmediate << 2);
else
epc += 8;
@@ -88,7 +88,7 @@
case bltzal_op:
case bltzall_op:
regs->regs[31] = epc + 8;
- if (regs->regs[insn.i_format.rs] < 0)
+ if ((long)regs->regs[insn.i_format.rs] < 0)
epc = epc + 4 +
(insn.i_format.simmediate << 2);
else
epc += 8;
@@ -98,7 +98,7 @@
case bgezal_op:
case bgezall_op:
regs->regs[31] = epc + 8;
- if (regs->regs[insn.i_format.rs] >= 0)
+ if ((long)regs->regs[insn.i_format.rs] >= 0)
epc = epc + 4 +
(insn.i_format.simmediate << 2);
else
epc += 8;
@@ -146,7 +146,7 @@
case blez_op: /* not really i_format */
case blezl_op:
/* rt field assumed to be zero */
- if (regs->regs[insn.i_format.rs] <= 0)
+ if ((long)regs->regs[insn.i_format.rs] <= 0)
epc = epc + 4 + (insn.i_format.simmediate << 2);
else
epc += 8;
@@ -156,7 +156,7 @@
case bgtz_op:
case bgtzl_op:
/* rt field assumed to be zero */
- if (regs->regs[insn.i_format.rs] > 0)
+ if ((long)regs->regs[insn.i_format.rs] > 0)
epc = epc + 4 + (insn.i_format.simmediate << 2);
else
epc += 8;
--
_ _ ____ ___ Carsten Langgaard Mailto:carstenl@mips.com
|\ /|||___)(___ MIPS Denmark Direct: +45 4486 5527
| \/ ||| ____) Lautrupvang 4B Switch: +45 4486 5555
TECHNOLOGIES 2750 Ballerup Fax...: +45 4486 5556
Denmark http://www.mips.com
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: The FPU emulator doesn't work properly
2001-02-06 16:07 The FPU emulator doesn't work properly Carsten Langgaard
@ 2001-02-07 7:34 ` Ralf Baechle
0 siblings, 0 replies; 2+ messages in thread
From: Ralf Baechle @ 2001-02-07 7:34 UTC (permalink / raw)
To: Carsten Langgaard; +Cc: linux-mips
On Tue, Feb 06, 2001 at 05:07:58PM +0100, Carsten Langgaard wrote:
> I think I have send this patch before, but it hasn't got in to the
> archive, apparently.
If you send it to this list it may well happen that I miss it. In fact
I can't remember having seen this patch.
Ralf
^ permalink raw reply [flat|nested] 2+ messages in thread
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