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| author | Mike Frysinger <vapier@gentoo.org> | 2011-03-29 05:51:22 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2011-03-29 05:51:22 +0000 |
| commit | 3823a07437e70105c9a11fbddddb8273e1b8a858 (patch) | |
| tree | c59866239059a3b5321dfbd51dd4ad54ddeb528b /gas | |
| parent | 0be99d4ba6c89dca6bbee981c7b89d506f344a40 (diff) | |
| download | gdb-3823a07437e70105c9a11fbddddb8273e1b8a858.zip gdb-3823a07437e70105c9a11fbddddb8273e1b8a858.tar.gz gdb-3823a07437e70105c9a11fbddddb8273e1b8a858.tar.bz2 | |
gas: blackfin: gas: blackfin: reject invalid BYTEOP16M insns
The destination registers must be different with BYTEOP16M insns,
otherwise the hardware throws up an exception. So reject them.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 5 | ||||
| -rw-r--r-- | gas/config/bfin-parse.y | 2 | ||||
| -rw-r--r-- | gas/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gas/testsuite/gas/bfin/expected_errors.l | 2 | ||||
| -rw-r--r-- | gas/testsuite/gas/bfin/expected_errors.s | 2 |
5 files changed, 16 insertions, 0 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 428d266..5ae246e 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,5 +1,10 @@ 2011-03-29 Mike Frysinger <vapier@gentoo.org> + * config/bfin-parse.y (BYTEOP16M): Return yyerror when dest + reg $2 is the same as dest reg $4. + +2011-03-29 Mike Frysinger <vapier@gentoo.org> + * config/bfin-parse.y (BYTEOP16P): Return yyerror when dest reg $2 is the same as dest reg $4. diff --git a/gas/config/bfin-parse.y b/gas/config/bfin-parse.y index 12e7525..7961e2e 100644 --- a/gas/config/bfin-parse.y +++ b/gas/config/bfin-parse.y @@ -849,6 +849,8 @@ asm_1: { if (!IS_DREG ($2) || !IS_DREG ($4)) return yyerror ("Dregs expected"); + else if (REG_SAME ($2, $4)) + return yyerror ("Illegal dest register combination"); else if (!valid_dreg_pair (&$9, $11)) return yyerror ("Bad dreg pair"); else if (!valid_dreg_pair (&$13, $15)) diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog index 2472627..20aeb3f 100644 --- a/gas/testsuite/ChangeLog +++ b/gas/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2011-03-29 Mike Frysinger <vapier@gentoo.org> + * gas/bfin/expected_errors.s: Add invalid BYTEOP16M insn tests. + * gas/bfin/expected_errors.l: Add new error messages. + +2011-03-29 Mike Frysinger <vapier@gentoo.org> + * gas/bfin/expected_errors.s: Add invalid BYTEOP16P insn tests. * gas/bfin/expected_errors.l: Add new error messages. diff --git a/gas/testsuite/gas/bfin/expected_errors.l b/gas/testsuite/gas/bfin/expected_errors.l index 216c8e1..1c12e65 100644 --- a/gas/testsuite/gas/bfin/expected_errors.l +++ b/gas/testsuite/gas/bfin/expected_errors.l @@ -103,3 +103,5 @@ .*:131: Error: Illegal dest register combination. Input text was A0.H. .*:133: Error: Illegal dest register combination. .*:134: Error: Illegal dest register combination. +.*:135: Error: Illegal dest register combination. +.*:136: Error: Illegal dest register combination. diff --git a/gas/testsuite/gas/bfin/expected_errors.s b/gas/testsuite/gas/bfin/expected_errors.s index 677103c..a671a2c 100644 --- a/gas/testsuite/gas/bfin/expected_errors.s +++ b/gas/testsuite/gas/bfin/expected_errors.s @@ -132,3 +132,5 @@ (R0, R0) = BYTEOP16P (R1:0, R3:2); (R7, R7) = BYTEOP16P (R1:0, R3:2); + (R1, R1) = BYTEOP16M (R1:0, R3:2); + (R4, R4) = BYTEOP16M (R1:0, R3:2); |