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Add support for AArch64 system register names IP0, IP1, FP and LR.

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* config/tc-aarch64.c (reg_entry_reg_names): Add IP0,
	IP1, FP, and LR as register aliases of register 16, 17, 29
	and 30 respectively.
	* testsuite/gas/aarch64/diagnostic.l: Remove diagnostic
	prohibiting register 'lr' which is now an alias.
	* testsuite/gas/aarch64/diagnostic.s: Remove instruction
	utilizing register 'lr' which is now an alias.
This commit is contained in:
Michael Collison 2017-06-07 13:34:34 +01:00 committed by Nick Clifton
parent 50d6adef3b
commit 62e20ed45e
4 changed files with 16 additions and 2 deletions
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10
gas/ChangeLog
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@ -1,3 +1,13 @@
2017-06-07 Michael Collison <michael.collison@arm.com>
* config/tc-aarch64.c (reg_entry_reg_names): Add IP0,
IP1, FP, and LR as register aliases of register 16, 17, 29
and 30 respectively.
* testsuite/gas/aarch64/diagnostic.l: Remove diagnostic
prohibiting register 'lr' which is now an alias.
* testsuite/gas/aarch64/diagnostic.s: Remove instruction
utilizing register 'lr' which is now an alias.
2017-06-06 Jiong Wang <jiong.wang@arm.com>
* config/tc-arm.c (reject_bad_reg): Allow REG_SP on ARMv8-A.

5
gas/config/tc-aarch64.c
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@ -6797,6 +6797,11 @@ static const reg_entry reg_names[] = {
REGDEF (wzr, 31, Z_32), REGDEF (WZR, 31, Z_32),
REGDEF (xzr, 31, Z_64), REGDEF (XZR, 31, Z_64),
REGDEF (ip0, 16, R_64), REGDEF (IP0, 16, R_64),
REGDEF (ip1, 17, R_64), REGDEF (IP1, 17, R_64),
REGDEF (fp, 29, R_64), REGDEF (FP, 29, R_64),
REGDEF (lr, 30, R_64), REGDEF (LR, 30, R_64),
/* Floating-point single precision registers. */
REGSET (s, FP_S), REGSET (S, FP_S),

1
gas/testsuite/gas/aarch64/diagnostic.l
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@ -98,7 +98,6 @@
[^:]*:100: Error: operand 3 must be one of the standard conditions, excluding AL and NV. -- `cinc w0,w1,nv'
[^:]*:101: Error: operand 2 must be one of the standard conditions, excluding AL and NV. -- `cset w0,al'
[^:]*:102: Error: operand 2 must be one of the standard conditions, excluding AL and NV. -- `cset w0,nv'
[^:]*:105: Error: operand 1 must be an integer register -- `ret lr'
[^:]*:106: Error: operand 1 must be an integer register -- `ret kk'
[^:]*:107: Error: immediate operand required at operand 1 -- `clrex x0'
[^:]*:108: Error: immediate operand required at operand 1 -- `clrex w0'

2
gas/testsuite/gas/aarch64/diagnostic.s
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@ -102,7 +102,7 @@
cset w0, nv
# test diagnostic info on optional operand
ret lr
ret kk
clrex x0
clrex w0