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2011-05-31 Paul Brook <paul@codesourcery.com> 

gas/
	* config/tc-arm.c (arm_cpus): Add Cortex-R5.
	(arm_extensions): Allow idiv on ARMv7-R.
	* doc/c-arm.text: Update idiv extension restrictions.

	gas/testsuite/
	* gas/arm/arm-idiv-bad.d: New test.
	* gas/arm/arm-idiv-bad.s: New test.
	* gas/arm/arm-idiv-bad.l: New test.
	* gas/arm/arm-idiv.d: New test.
	* gas/arm/arm-idiv.s: New test.

	include/
	* opcode/arm.h (ARM_ARCH_V7R_IDIV): Define.
This commit is contained in:
Paul Brook 2011-05-31 14:12:55 +00:00
parent b58843019a
commit 3b2f079304
11 changed files with 51 additions and 2 deletions
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6
gas/ChangeLog
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@ -1,3 +1,9 @@
2011-05-31 Paul Brook <paul@codesourcery.com>
* config/tc-arm.c (arm_cpus): Add Cortex-R5.
(arm_extensions): Allow idiv on ARMv7-R.
* doc/c-arm.text: Update idiv extension restrictions.
2011-05-31 Paul Brook <paul@codesourcery.com>
* config/tc-arm.c (arm_force_relocation): Resolve all pc-relative

4
gas/config/tc-arm.c
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@ -22805,6 +22805,8 @@ static const struct arm_cpu_option_table arm_cpus[] =
{"cortex-r4", ARM_ARCH_V7R, FPU_NONE, "Cortex-R4"},
{"cortex-r4f", ARM_ARCH_V7R, FPU_ARCH_VFP_V3D16,
"Cortex-R4F"},
{"cortex-r5", ARM_ARCH_V7R_IDIV,
FPU_NONE, "Cortex-R5"},
{"cortex-m4", ARM_ARCH_V7EM, FPU_NONE, "Cortex-M4"},
{"cortex-m3", ARM_ARCH_V7M, FPU_NONE, "Cortex-M3"},
{"cortex-m1", ARM_ARCH_V6SM, FPU_NONE, "Cortex-M1"},
@ -22888,7 +22890,7 @@ struct arm_option_extension_value_table
static const struct arm_option_extension_value_table arm_extensions[] =
{
{"idiv", ARM_FEATURE (ARM_EXT_ADIV | ARM_EXT_DIV, 0),
ARM_FEATURE (ARM_EXT_V7A, 0)},
ARM_FEATURE (ARM_EXT_V7A | ARM_EXT_V7R, 0)},
{"iwmmxt", ARM_FEATURE (0, ARM_CEXT_IWMMXT), ARM_ANY},
{"iwmmxt2", ARM_FEATURE (0, ARM_CEXT_IWMMXT2), ARM_ANY},
{"maverick", ARM_FEATURE (0, ARM_CEXT_MAVERICK), ARM_ANY},

2
gas/doc/c-arm.texi
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@ -152,7 +152,7 @@ been added, again in ascending alphabetical order. For example,
The following extensions are currently supported:
@code{idiv}, (Integer Divide Extensions for v7-A architecture),
@code{idiv}, (Integer Divide Extensions for v7-A and v7-R architectures),
@code{iwmmxt},
@code{iwmmxt2},
@code{maverick},

8
gas/testsuite/ChangeLog
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@ -1,3 +1,11 @@
2011-05-31 Paul Brook <paul@codesourcery.com>
* gas/arm/arm-idiv-bad.d: New test.
* gas/arm/arm-idiv-bad.s: New test.
* gas/arm/arm-idiv-bad.l: New test.
* gas/arm/arm-idiv.d: New test.
* gas/arm/arm-idiv.s: New test.
2011-05-31 Paul Brook <paul@codesourcery.com>
* gas/arm/ldr-global.d: New test.

4
gas/testsuite/gas/arm/arm-idiv-bad.d Normal file
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@ -0,0 +1,4 @@
#name: Invalid V7 ARM DIV instructions
#as: -march=armv7-a
#error-output: arm-idiv-bad.l

2
gas/testsuite/gas/arm/arm-idiv-bad.l Normal file
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@ -0,0 +1,2 @@
[^:]*: Assembler messages:
[^:]*:4: Error: selected processor does not support ARM mode `sdiv r0,r0,r0'

4
gas/testsuite/gas/arm/arm-idiv-bad.s Normal file
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@ -0,0 +1,4 @@
.text
.arm
label:
sdiv r0, r0, r0

9
gas/testsuite/gas/arm/arm-idiv.d Normal file
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@ -0,0 +1,9 @@
#name: ARM Integer division instructions
#objdump: -dr --prefix-addresses --show-raw-insn
.*: +file format .*arm.*
Disassembly of section .text:
0+000 <[^>]*> e735f819 udiv r5, r9, r8
0+004 <[^>]*> e739f715 udiv r9, r5, r7
0+008 <[^>]*> e710f010 sdiv r0, r0, r0

8
gas/testsuite/gas/arm/arm-idiv.s Normal file
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@ -0,0 +1,8 @@
.arch armv7-a
.arch_extension idiv
.arm
udiv r5, r9, r8
.cpu cortex-a15
udiv r9, r5, r7
.cpu cortex-r5
sdiv r0, r0, r0

4
include/opcode/ChangeLog
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@ -1,3 +1,7 @@
2011-05-31 Paul Brook <paul@codesourcery.com>
* opcode/arm.h (ARM_ARCH_V7R_IDIV): Define.
2011-04-18 Julian Brown <julian@codesourcery.com>
* arm.h (ARM_AEXT_V7_ARM): Remove ARM_EXT_OS from bitmask.

2
include/opcode/arm.h
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@ -229,6 +229,8 @@
ARM_FEATURE (ARM_AEXT_V7A | ARM_EXT_MP | ARM_EXT_SEC \
| ARM_EXT_DIV | ARM_EXT_ADIV \
| ARM_EXT_VIRT, 0)
/* v7-r+idiv. */
#define ARM_ARCH_V7R_IDIV ARM_FEATURE (ARM_AEXT_V7R | ARM_EXT_ADIV, 0)
/* Features that are present in v6M and v6S-M but not other v6 cores. */
#define ARM_ARCH_V6M_ONLY ARM_FEATURE (ARM_AEXT_V6M_ONLY, 0)