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

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>

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 3b488cf..947bfdd 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,9 @@
 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>
+
        * config/bfin-parse.y (DBG): Fix regno encoding.
        (DBGCMPLX): Likewise.
 

diff --git a/gas/config/bfin-parse.y b/gas/config/bfin-parse.y
index a520226..4549b53 100644 (file)
--- a/gas/config/bfin-parse.y
+++ b/gas/config/bfin-parse.y
@@ -1737,7 +1737,7 @@ asm_1:
              $$ = bfin_gen_regmv (&$3, &$1);
            }
          else
-           return yyerror ("Register mismatch");
+           return yyerror ("Unsupported register move");
        }
 
        | CCREG ASSIGN REG
@@ -1748,7 +1748,7 @@ asm_1:
              $$ = bfin_gen_cc2dreg (1, &$3);
            }
          else
-           return yyerror ("Register mismatch");
+           return yyerror ("Only 'CC = Dreg' supported");
        }
 
        | REG ASSIGN CCREG
@@ -1759,7 +1759,7 @@ asm_1:
              $$ = bfin_gen_cc2dreg (0, &$1);
            }
          else
-           return yyerror ("Register mismatch");
+           return yyerror ("Only 'Dreg = CC' supported");
        }
 
        | CCREG _ASSIGN_BANG CCREG

diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index ef3fe17..7a40794 100644 (file)
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,5 +1,9 @@
 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>
+
        * gas/bfin/pseudo.d, gas/bfin/pseudo.s: New test.
        * gas/bfin/bfin.exp: Add new "pseudo" test.
 

diff --git a/gas/testsuite/gas/bfin/expected_move_errors.l b/gas/testsuite/gas/bfin/expected_move_errors.l
index 9a98746..524822e 100644 (file)
--- a/gas/testsuite/gas/bfin/expected_move_errors.l
+++ b/gas/testsuite/gas/bfin/expected_move_errors.l
@@ -3,4 +3,4 @@
 .*:4: Error: Cannot move A0 to high half of register. Input text was A0.
 .*:5: Error: Cannot move A1 to even register.
 .*:6: Error: Cannot move A0 to odd register.
-.*:7: Error: Register mismatch.
+.*:7: Error: Unsupported register move.