[sdcc-devel] [ sdcc-Bugs-1032131 ] error in unsigned right-shift

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Bugs item #1032131, was opened at 2004-09-21 20:24
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Category: pic16 target
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: ccsporters (tecodev)
Assigned to: Nobody/Anonymous (nobody)
Summary: error in unsigned right-shift

Initial Comment:
The following code snippet fails:
=====
// set TYPE to "int" or "long" (works fine for "char")
#define TYPE int

int
main () {
  volatile unsigned char count;
  volatile unsigned TYPE ires, ibase;

  count = 5;
  ibase = 0x1234;
  //ires = ((unsigned TYPE)0x1234) >> 5;
  ires = ((unsigned TYPE)0x1234) >> count;  // this
line fails
  //ires = ibase >> 5;
  ires = ibase >> count;  // this line fails

  return 0;
}
=====
Compiling it with "sdcc -mpic16 -p18f452" fails:
oops pic16_aopPut:AOP_DIR did this 0x12
oops pic16_aopPut:AOP_DIR did this a
oops pic16_aopPut:AOP_DIR did this (_main_ibase_1_1 + 1)
oops pic16_aopPut:AOP_DIR did this a
shift2.asm:58:Error [113] Symbol not previously defined
(a).
shift2.asm:61:Error [113] Symbol not previously defined
(a).
shift2.asm:71:Error [113] Symbol not previously defined
(a).
shift2.asm:74:Error [113] Symbol not previously defined
(a).

I tried it with SDCC : pic16 2.4.4 #846 (Sep 21 2004)
(UNIX).

Raphael Neider

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