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* gas/config/tc-arm.c (arm_ext_adiv): New variable. 

(do_div): New function.
	(insns): Accept UDIV and SDIV in ARM state.
	(arm_cpus): The cortex-a15 option has all current v7-A extensions.
	(arm_extensions): Add 'idiv' extension.
	(aeabi_set_public_attributes): Update Tag_DIV_use values for the
	Integer Divide extension.
	* gas/doc/c-arm.texi: Document the idiv extension.
	* gas/testsuite/gas/arm/armv7-a+idiv.d: New test.
	* gas/testsuite/gas/arm/armv7-a+idiv.s: Likewise.
	* gas/testsuite/gas/arm/attr-march-all.d: Update for Integer divide extension.
	* gas/testsuite/gas/arm/attr-march-armv7-a+idiv.d: New test.
	* include/opcode/arm.h (ARM_AEXT_ADIV): New define.
	(ARM_ARCH_V7A_IDIV_MP_SEC): Likewise.
	* opcodes/arm-dis.c (arm_opcodes): Support disassembly of UDIV and SDIV in
	ARM state.
This commit is contained in:
Matthew Gretton-Dann 2010-09-23 15:37:45 +00:00
parent 76be61ea8a
commit fa4115fd6e
2 changed files with 11 additions and 0 deletions
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5
include/opcode/ChangeLog
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@ -1,3 +1,8 @@
2010-09-23 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
* arm.h (ARM_AEXT_ADIV): New define.
(ARM_ARCH_V7A_IDIV_MP_SEC): Likewise.
2010-09-23 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
* arm.h (ARM_EXT_OS): New define.

6
include/opcode/arm.h
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@ -52,6 +52,8 @@
#define ARM_EXT_MP 0x08000000 /* Multiprocessing Extensions. */
#define ARM_EXT_SEC 0x10000000 /* Security extensions. */
#define ARM_EXT_OS 0x20000000 /* OS Extensions. */
#define ARM_EXT_ADIV 0x40000000 /* Integer divide extensions in ARM
state. */
/* Co-processor space extensions. */
#define ARM_CEXT_XSCALE 0x00000001 /* Allow MIA etc. */
@ -220,6 +222,10 @@
#define ARM_ARCH_V7A_MP_SEC \
ARM_FEATURE (ARM_AEXT_V7A | ARM_EXT_MP | ARM_EXT_SEC, \
0)
/* v7-a+idiv+mp+sec. */
#define ARM_ARCH_V7A_IDIV_MP_SEC \
ARM_FEATURE (ARM_AEXT_V7A | ARM_EXT_MP | ARM_EXT_SEC \
| ARM_EXT_DIV | ARM_EXT_ADIV, 0)
/* There are too many feature bits to fit in a single word, so use a
structure. For simplicity we put all core features in one word and