bugGNU Development Chain for 68HC11/68HC12 - Bugs: bug #1416, Gcc generates emind instructions...

 
 

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bug #1416: Gcc generates emind instructions that can't assemble

Submitted by:  Stephane Carrez <ciceron>
Submitted on:  Mon 14 Oct 2002 07:06:20 PM UTC  
 
Category:  gcc Severity:  2 - Minor
Item Group:  sw-bug Status:  None
Privacy:  Public Assigned to:  Stephane Carrez <ciceron>
Open/Closed:  Open

Thu 05 Dec 2002 09:48:00 PM UTC, comment #1:

Release 2.1 now disables by default the generation of
emin/emax. For emin to work with external symbols, we
must use 16-bit PC relative addressing mode.

Stephane Carrez <ciceron>
Project AdministratorIn charge of this item.
Mon 14 Oct 2002 07:06:20 PM UTC, original submission:

For the following code:

#define MIN(x1,x2) ((x1 > x2)?x2:x1)
typedef unsigned short WORD;

WORD wT;
WORD TstMin(void) {
return MIN(wT, 99);
}

gcc -c -Os -m68hc12 bug.c -mshort generates

ldd #99
emind wT

But the emind does not support 16-bit addresses.

Stephane Carrez <ciceron>
Project AdministratorIn charge of this item.

 

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Follows 1 latest change.

Date Changed by Updated Field Previous Value => Replaced by
2002-12-05 ciceron Severity3 - Normal => (Error - Not Found)

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