From 3b2f07930444a96217805d28af12dc5edd65b20d Mon Sep 17 00:00:00 2001 From: Paul Brook Date: Tue, 31 May 2011 14:12:55 +0000 Subject: [PATCH] 2011-05-31 Paul Brook 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. --- gas/ChangeLog | 6 ++++++ gas/config/tc-arm.c | 4 +++- gas/doc/c-arm.texi | 2 +- gas/testsuite/ChangeLog | 8 ++++++++ gas/testsuite/gas/arm/arm-idiv-bad.d | 4 ++++ gas/testsuite/gas/arm/arm-idiv-bad.l | 2 ++ gas/testsuite/gas/arm/arm-idiv-bad.s | 4 ++++ gas/testsuite/gas/arm/arm-idiv.d | 9 +++++++++ gas/testsuite/gas/arm/arm-idiv.s | 8 ++++++++ include/opcode/ChangeLog | 4 ++++ include/opcode/arm.h | 2 ++ 11 files changed, 51 insertions(+), 2 deletions(-) create mode 100644 gas/testsuite/gas/arm/arm-idiv-bad.d create mode 100644 gas/testsuite/gas/arm/arm-idiv-bad.l create mode 100644 gas/testsuite/gas/arm/arm-idiv-bad.s create mode 100644 gas/testsuite/gas/arm/arm-idiv.d create mode 100644 gas/testsuite/gas/arm/arm-idiv.s diff --git a/gas/ChangeLog b/gas/ChangeLog index b795927..c296045 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,5 +1,11 @@ 2011-05-31 Paul Brook + * 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 + * config/tc-arm.c (arm_force_relocation): Resolve all pc-relative loads. diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c index 6611e02..415663d 100644 --- a/gas/config/tc-arm.c +++ b/gas/config/tc-arm.c @@ -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}, diff --git a/gas/doc/c-arm.texi b/gas/doc/c-arm.texi index a5a88ba..131f6ab 100644 --- a/gas/doc/c-arm.texi +++ b/gas/doc/c-arm.texi @@ -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}, diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog index 81fe89b..1f54cfe 100644 --- a/gas/testsuite/ChangeLog +++ b/gas/testsuite/ChangeLog @@ -1,5 +1,13 @@ 2011-05-31 Paul Brook + * 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 + * gas/arm/ldr-global.d: New test. * gas/arm/ldr-global.s: New test. diff --git a/gas/testsuite/gas/arm/arm-idiv-bad.d b/gas/testsuite/gas/arm/arm-idiv-bad.d new file mode 100644 index 0000000..c3d7394 --- /dev/null +++ b/gas/testsuite/gas/arm/arm-idiv-bad.d @@ -0,0 +1,4 @@ +#name: Invalid V7 ARM DIV instructions +#as: -march=armv7-a +#error-output: arm-idiv-bad.l + diff --git a/gas/testsuite/gas/arm/arm-idiv-bad.l b/gas/testsuite/gas/arm/arm-idiv-bad.l new file mode 100644 index 0000000..6662cc7 --- /dev/null +++ b/gas/testsuite/gas/arm/arm-idiv-bad.l @@ -0,0 +1,2 @@ +[^:]*: Assembler messages: +[^:]*:4: Error: selected processor does not support ARM mode `sdiv r0,r0,r0' diff --git a/gas/testsuite/gas/arm/arm-idiv-bad.s b/gas/testsuite/gas/arm/arm-idiv-bad.s new file mode 100644 index 0000000..45e846e --- /dev/null +++ b/gas/testsuite/gas/arm/arm-idiv-bad.s @@ -0,0 +1,4 @@ + .text + .arm +label: + sdiv r0, r0, r0 diff --git a/gas/testsuite/gas/arm/arm-idiv.d b/gas/testsuite/gas/arm/arm-idiv.d new file mode 100644 index 0000000..a886d02 --- /dev/null +++ b/gas/testsuite/gas/arm/arm-idiv.d @@ -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 diff --git a/gas/testsuite/gas/arm/arm-idiv.s b/gas/testsuite/gas/arm/arm-idiv.s new file mode 100644 index 0000000..626a67d --- /dev/null +++ b/gas/testsuite/gas/arm/arm-idiv.s @@ -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 diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog index e148e8d..1324467 100644 --- a/include/opcode/ChangeLog +++ b/include/opcode/ChangeLog @@ -1,3 +1,7 @@ +2011-05-31 Paul Brook + + * opcode/arm.h (ARM_ARCH_V7R_IDIV): Define. + 2011-04-18 Julian Brown * arm.h (ARM_AEXT_V7_ARM): Remove ARM_EXT_OS from bitmask. diff --git a/include/opcode/arm.h b/include/opcode/arm.h index 297ca63..86e3d67 100644 --- a/include/opcode/arm.h +++ b/include/opcode/arm.h @@ -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) -- 2.7.4