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gas: blackfin: clarify some errors with register usage in insns

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Using "Register mismatch" everywhere can be a bit vague, so clarify
why exactly we're barfing on these unsupported insns.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger
2010-09-22 21:29:41 +00:00
parent a01eda858f
commit a2c28b80f1
4 changed files with 12 additions and 4 deletions
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4
gas/ChangeLog
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@ -1,3 +1,7 @@
2010-09-22 Robin Getz <robin.getz@analog.com>
* config/bfin-parse.y: Improve error messages.
2010-09-22 Robin Getz <robin.getz@analog.com> 2010-09-22 Robin Getz <robin.getz@analog.com>
* config/bfin-parse.y (DBG): Fix regno encoding. * config/bfin-parse.y (DBG): Fix regno encoding.

6
gas/config/bfin-parse.y
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@ -1737,7 +1737,7 @@ asm_1:
$$ = bfin_gen_regmv (&$3, &$1); $$ = bfin_gen_regmv (&$3, &$1);
} }
else else
return yyerror ("Register mismatch"); return yyerror ("Unsupported register move");
} }
| CCREG ASSIGN REG | CCREG ASSIGN REG
@ -1748,7 +1748,7 @@ asm_1:
$$ = bfin_gen_cc2dreg (1, &$3); $$ = bfin_gen_cc2dreg (1, &$3);
} }
else else
return yyerror ("Register mismatch"); return yyerror ("Only 'CC = Dreg' supported");
} }
| REG ASSIGN CCREG | REG ASSIGN CCREG
@ -1759,7 +1759,7 @@ asm_1:
$$ = bfin_gen_cc2dreg (0, &$1); $$ = bfin_gen_cc2dreg (0, &$1);
} }
else else
return yyerror ("Register mismatch"); return yyerror ("Only 'Dreg = CC' supported");
} }
| CCREG _ASSIGN_BANG CCREG | CCREG _ASSIGN_BANG CCREG

4
gas/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2010-09-22 Robin Getz <robin.getz@analog.com>
* gas/bfin/expected_move_errors.l: Update error output.
2010-09-22 Robin Getz <robin.getz@analog.com> 2010-09-22 Robin Getz <robin.getz@analog.com>
* gas/bfin/pseudo.d, gas/bfin/pseudo.s: New test. * gas/bfin/pseudo.d, gas/bfin/pseudo.s: New test.

2
gas/testsuite/gas/bfin/expected_move_errors.l
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@ -3,4 +3,4 @@
.*:4: Error: Cannot move A0 to high half of register. Input text was A0. .*:4: Error: Cannot move A0 to high half of register. Input text was A0.
.*:5: Error: Cannot move A1 to even register. .*:5: Error: Cannot move A1 to even register.
.*:6: Error: Cannot move A0 to odd register. .*:6: Error: Cannot move A0 to odd register.
.*:7: Error: Register mismatch. .*:7: Error: Unsupported register move.