diff options
| author | Yufeng Zhang <yufeng.zhang@arm.com> | 2013-02-28 18:51:02 +0000 |
|---|---|---|
| committer | Yufeng Zhang <yufeng.zhang@arm.com> | 2013-02-28 18:51:02 +0000 |
| commit | e6a5175e5326af625d5bc69fbf4db1b7bb454719 (patch) | |
| tree | 27cf2fb608a07c71ad74f06304a6f04f08739ac9 /gas/config/tc-aarch64.c | |
| parent | e161f717e0220a82002543b04d80404dac977418 (diff) | |
| download | binutils-redhat-e6a5175e5326af625d5bc69fbf4db1b7bb454719.tar.gz | |
gas/
* config/tc-aarch64.c (parse_sys_reg): Allow the full range of CRn
for system registers.
gas/testsuite/
* gas/aarch64/illegal.l: Delete the error message for
msr S3_1_C13_C15_1,x7.
* gas/aarch64/sysreg.s: Add new tests.
* gas/aarch64/sysreg.d: Update.
Diffstat (limited to 'gas/config/tc-aarch64.c')
| -rw-r--r-- | gas/config/tc-aarch64.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c index ce59705189..47c27fee45 100644 --- a/gas/config/tc-aarch64.c +++ b/gas/config/tc-aarch64.c @@ -3197,10 +3197,14 @@ parse_sys_reg (char **str, struct hash_control *sys_regs, int imple_defined_p) unsigned int op0, op1, cn, cm, op2; if (sscanf (buf, "s%u_%u_c%u_c%u_%u", &op0, &op1, &cn, &cm, &op2) != 5) return PARSE_FAIL; - /* Register access is encoded as follows: + /* The architecture specifies the encoding space for implementation + defined registers as: op0 op1 CRn CRm op2 - 11 xxx 1x11 xxxx xxx. */ - if (op0 != 3 || op1 > 7 || (cn | 0x4) != 0xf || cm > 15 || op2 > 7) + 11 xxx 1x11 xxxx xxx + For convenience GAS accepts a wider encoding space, as follows: + op0 op1 CRn CRm op2 + 11 xxx xxxx xxxx xxx */ + if (op0 != 3 || op1 > 7 || cn > 15 || cm > 15 || op2 > 7) return PARSE_FAIL; value = (op0 << 14) | (op1 << 11) | (cn << 7) | (cm << 3) | op2; } |