diff options
| author | Mihail Ionescu <mihail.ionescu@arm.com> | 2020-01-14 18:00:35 +0000 |
|---|---|---|
| committer | Mihail Ionescu <mihail.ionescu@arm.com> | 2020-01-16 15:10:46 +0000 |
| commit | e27cf2e372651997c3b46a5662dd4d47c53dd13b (patch) | |
| tree | b19e15fa41a2fdd7ac94216116ed6d078b8f4fc1 /gcc/testsuite/lib/target-supports.exp | |
| parent | e953433f089b8276c0445ab538bbf655ef6c8c97 (diff) | |
[PATCH, GCC/ARM, 2/10] Add command line support for Armv8.1-M Mainline
Besides the expected enabling of the new value for the -march
command-line option (-march=armv8.1-m.main) and its extensions (see
below), this patch disables support of the Security Extensions for this
newly added architecture. This is done both by not including the cmse
bit in the architecture description and by throwing an error message
when user request Armv8.1-M Mainline Security Extensions. Note that
Armv8-M Baseline and Mainline Security Extensions are still enabled.
Only extensions for already supported instructions are implemented in
this patch. Other extensions (MVE integer and float) will be added in
separate patches. The following configurations are allowed for Armv8.1-M
Mainline with regards to FPU and implemented in this patch:
+ no FPU (+nofp)
+ single precision VFPv5 with FP16 (+fp)
+ double precision VFPv5 with FP16 (+fp.dp)
ChangeLog entry are as follow:
*** gcc/ChangeLog ***
2020-01-16 Mihail-Calin Ionescu <mihail.ionescu@arm.com>
2020-01-16 Thomas Preud'homme <thomas.preudhomme@arm.com>
* config/arm/arm-cpus.in (armv8_1m_main): New feature.
(ARMv4, ARMv4t, ARMv5t, ARMv5te, ARMv5tej, ARMv6, ARMv6j, ARMv6k,
ARMv6z, ARMv6kz, ARMv6zk, ARMv6t2, ARMv6m, ARMv7, ARMv7a, ARMv7ve,
ARMv7r, ARMv7m, ARMv7em, ARMv8a, ARMv8_1a, ARMv8_2a, ARMv8_3a,
ARMv8_4a, ARMv8_5a, ARMv8m_base, ARMv8m_main, ARMv8r): Reindent.
(ARMv8_1m_main): New feature group.
(armv8.1-m.main): New architecture.
* config/arm/arm-tables.opt: Regenerate.
* config/arm/arm.c (arm_arch8_1m_main): Define and default initialize.
(arm_option_reconfigure_globals): Initialize arm_arch8_1m_main.
(arm_options_perform_arch_sanity_checks): Error out when targeting
Armv8.1-M Mainline Security Extensions.
* config/arm/arm.h (arm_arch8_1m_main): Declare.
*** gcc/testsuite/ChangeLog ***
2020-01-16 Mihail-Calin Ionescu <mihail.ionescu@arm.com>
2020-01-16 Thomas Preud'homme <thomas.preudhomme@arm.com>
* lib/target-supports.exp
(check_effective_target_arm_arch_v8_1m_main_ok): Define.
(add_options_for_arm_arch_v8_1m_main): Likewise.
(check_effective_target_arm_arch_v8_1m_main_multilib): Likewise.
Diffstat (limited to 'gcc/testsuite/lib/target-supports.exp')
| -rw-r--r-- | gcc/testsuite/lib/target-supports.exp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp index 62a745a7c7e..b247d943e0c 100644 --- a/gcc/testsuite/lib/target-supports.exp +++ b/gcc/testsuite/lib/target-supports.exp @@ -4352,10 +4352,11 @@ foreach { armfunc armflag armdefs } { v8a "-march=armv8-a" __ARM_ARCH_8A__ v8_1a "-march=armv8.1-a" __ARM_ARCH_8A__ v8_2a "-march=armv8.2-a" __ARM_ARCH_8A__ + v8r "-march=armv8-r" __ARM_ARCH_8R__ v8m_base "-march=armv8-m.base -mthumb -mfloat-abi=soft" __ARM_ARCH_8M_BASE__ v8m_main "-march=armv8-m.main -mthumb" __ARM_ARCH_8M_MAIN__ - v8r "-march=armv8-r" __ARM_ARCH_8R__ } { + v8_1m_main "-march=armv8.1-m.main -mthumb" __ARM_ARCH_8M_MAIN__ } { eval [string map [list FUNC $armfunc FLAG $armflag DEFS $armdefs ] { proc check_effective_target_arm_arch_FUNC_ok { } { return [check_no_compiler_messages arm_arch_FUNC_ok assembly { |