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[ARM] Add missing M/R class CPUs 

Add some of the missing M and R class Cortex CPUs, namely:

Cortex-M0+ (called Cortex-M0plus for GCC compatibility)
Cortex-M1
SC000
SC300
Cortex-R5

llvm-svn: 229660
This commit is contained in:
Bradley Smith 2015-02-18 10:33:30 +00:00
parent af9befa6b7
commit 26c9922a59
2 changed files with 186 additions and 0 deletions
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16
llvm/lib/Target/ARM/ARM.td
View File

@ -325,6 +325,12 @@ def : Processor<"mpcore", ARMV6Itineraries, [HasV6Ops, FeatureVFP2,
// V6M Processors.
def : Processor<"cortex-m0", ARMV6Itineraries, [HasV6MOps, FeatureNoARM,
FeatureDB, FeatureMClass]>;
def : Processor<"cortex-m0plus", ARMV6Itineraries, [HasV6MOps, FeatureNoARM,
FeatureDB, FeatureMClass]>;
def : Processor<"cortex-m1", ARMV6Itineraries, [HasV6MOps, FeatureNoARM,
FeatureDB, FeatureMClass]>;
def : Processor<"sc000", ARMV6Itineraries, [HasV6MOps, FeatureNoARM,
FeatureDB, FeatureMClass]>;
// V6T2 Processors.
def : Processor<"arm1156t2-s", ARMV6Itineraries, [HasV6T2Ops,
@ -384,10 +390,20 @@ def : ProcessorModel<"cortex-r5", CortexA8Model,
FeatureHasRAS, FeatureVFPOnlySP,
FeatureD16, FeatureRClass]>;
// FIXME: R7 has currently the same ProcessorModel as A8 and is modelled as R5.
def : ProcessorModel<"cortex-r7", CortexA8Model,
[ProcR5, HasV7Ops, FeatureDB,
FeatureVFP3, FeatureDSPThumb2,
FeatureHasRAS, FeatureVFPOnlySP,
FeatureD16, FeatureMP, FeatureRClass]>;
// V7M Processors.
def : ProcNoItin<"cortex-m3", [HasV7Ops,
FeatureThumb2, FeatureNoARM, FeatureDB,
FeatureHWDiv, FeatureMClass]>;
def : ProcNoItin<"sc300", [HasV7Ops,
FeatureThumb2, FeatureNoARM, FeatureDB,
FeatureHWDiv, FeatureMClass]>;
// V7EM Processors.
def : ProcNoItin<"cortex-m4", [HasV7Ops,

170
llvm/test/CodeGen/ARM/build-attributes.ll
View File

@ -55,9 +55,21 @@
; RUN: llc < %s -mtriple=thumbv6m-linux-gnueabi -mcpu=cortex-m0 | FileCheck %s --check-prefix=CORTEX-M0
; RUN: llc < %s -mtriple=thumbv6m-linux-gnueabi -mcpu=cortex-m0 -enable-unsafe-fp-math -disable-fp-elim -enable-no-infs-fp-math -enable-no-nans-fp-math -fp-contract=fast | FileCheck %s --check-prefix=CORTEX-M0-FAST
; RUN: llc < %s -mtriple=thumbv6m-linux-gnueabi -mcpu=cortex-m0 -enable-sign-dependent-rounding-fp-math | FileCheck %s --check-prefix=DYN-ROUNDING
; RUN: llc < %s -mtriple=thumbv6m-linux-gnueabi -mcpu=cortex-m0plus | FileCheck %s --check-prefix=CORTEX-M0PLUS
; RUN: llc < %s -mtriple=thumbv6m-linux-gnueabi -mcpu=cortex-m0plus -enable-unsafe-fp-math -disable-fp-elim -enable-no-infs-fp-math -enable-no-nans-fp-math -fp-contract=fast | FileCheck %s --check-prefix=CORTEX-M0PLUS-FAST
; RUN: llc < %s -mtriple=thumbv6m-linux-gnueabi -mcpu=cortex-m0plus -enable-sign-dependent-rounding-fp-math | FileCheck %s --check-prefix=DYN-ROUNDING
; RUN: llc < %s -mtriple=thumbv6m-linux-gnueabi -mcpu=cortex-m1 | FileCheck %s --check-prefix=CORTEX-M1
; RUN: llc < %s -mtriple=thumbv6m-linux-gnueabi -mcpu=cortex-m1 -enable-unsafe-fp-math -disable-fp-elim -enable-no-infs-fp-math -enable-no-nans-fp-math -fp-contract=fast | FileCheck %s --check-prefix=CORTEX-M1-FAST
; RUN: llc < %s -mtriple=thumbv6m-linux-gnueabi -mcpu=cortex-m1 -enable-sign-dependent-rounding-fp-math | FileCheck %s --check-prefix=DYN-ROUNDING
; RUN: llc < %s -mtriple=thumbv6m-linux-gnueabi -mcpu=sc000 | FileCheck %s --check-prefix=SC000
; RUN: llc < %s -mtriple=thumbv6m-linux-gnueabi -mcpu=sc000 -enable-unsafe-fp-math -disable-fp-elim -enable-no-infs-fp-math -enable-no-nans-fp-math -fp-contract=fast | FileCheck %s --check-prefix=SC000-FAST
; RUN: llc < %s -mtriple=thumbv6m-linux-gnueabi -mcpu=sc000 -enable-sign-dependent-rounding-fp-math | FileCheck %s --check-prefix=DYN-ROUNDING
; RUN: llc < %s -mtriple=thumbv7m-linux-gnueabi -mcpu=cortex-m3 | FileCheck %s --check-prefix=CORTEX-M3
; RUN: llc < %s -mtriple=thumbv7m-linux-gnueabi -mcpu=cortex-m3 -enable-unsafe-fp-math -disable-fp-elim -enable-no-infs-fp-math -enable-no-nans-fp-math -fp-contract=fast | FileCheck %s --check-prefix=CORTEX-M3-FAST
; RUN: llc < %s -mtriple=thumbv7m-linux-gnueabi -mcpu=cortex-m3 -enable-sign-dependent-rounding-fp-math | FileCheck %s --check-prefix=DYN-ROUNDING
; RUN: llc < %s -mtriple=thumbv7m-linux-gnueabi -mcpu=sc300 | FileCheck %s --check-prefix=SC300
; RUN: llc < %s -mtriple=thumbv7m-linux-gnueabi -mcpu=sc300 -enable-unsafe-fp-math -disable-fp-elim -enable-no-infs-fp-math -enable-no-nans-fp-math -fp-contract=fast | FileCheck %s --check-prefix=SC300-FAST
; RUN: llc < %s -mtriple=thumbv7m-linux-gnueabi -mcpu=sc300 -enable-sign-dependent-rounding-fp-math | FileCheck %s --check-prefix=DYN-ROUNDING
; RUN: llc < %s -mtriple=thumbv7m-linux-gnueabi -mcpu=cortex-m4 -float-abi=soft | FileCheck %s --check-prefix=CORTEX-M4-SOFT
; RUN: llc < %s -mtriple=thumbv7m-linux-gnueabi -mcpu=cortex-m4 -float-abi=soft -enable-unsafe-fp-math -disable-fp-elim -enable-no-infs-fp-math -enable-no-nans-fp-math -fp-contract=fast | FileCheck %s --check-prefix=CORTEX-M4-SOFT-FAST
; RUN: llc < %s -mtriple=thumbv7m-linux-gnueabi -mcpu=cortex-m4 -float-abi=hard | FileCheck %s --check-prefix=CORTEX-M4-HARD
@ -72,6 +84,9 @@
; RUN: llc < %s -mtriple=armv7r-linux-gnueabi -mcpu=cortex-r5 | FileCheck %s --check-prefix=CORTEX-R5
; RUN: llc < %s -mtriple=armv7r-linux-gnueabi -mcpu=cortex-r5 -enable-unsafe-fp-math -disable-fp-elim -enable-no-infs-fp-math -enable-no-nans-fp-math -fp-contract=fast | FileCheck %s --check-prefix=CORTEX-R5-FAST
; RUN: llc < %s -mtriple=armv7r-linux-gnueabi -mcpu=cortex-r5 -enable-sign-dependent-rounding-fp-math | FileCheck %s --check-prefix=DYN-ROUNDING
; RUN: llc < %s -mtriple=armv7r-linux-gnueabi -mcpu=cortex-r7 | FileCheck %s --check-prefix=CORTEX-R7
; RUN: llc < %s -mtriple=armv7r-linux-gnueabi -mcpu=cortex-r7 -enable-unsafe-fp-math -disable-fp-elim -enable-no-infs-fp-math -enable-no-nans-fp-math -fp-contract=fast | FileCheck %s --check-prefix=CORTEX-R7-FAST
; RUN: llc < %s -mtriple=armv7r-linux-gnueabi -mcpu=cortex-r7 -enable-sign-dependent-rounding-fp-math | FileCheck %s --check-prefix=DYN-ROUNDING
; RUN: llc < %s -mtriple=armv8-linux-gnueabi -mcpu=cortex-a53 | FileCheck %s --check-prefix=CORTEX-A53
; RUN: llc < %s -mtriple=armv8-linux-gnueabi -mcpu=cortex-a53 -enable-unsafe-fp-math -disable-fp-elim -enable-no-infs-fp-math -enable-no-nans-fp-math -fp-contract=fast | FileCheck %s --check-prefix=CORTEX-A53-FAST
; RUN: llc < %s -mtriple=armv8-linux-gnueabi -mcpu=cortex-a53 -enable-sign-dependent-rounding-fp-math | FileCheck %s --check-prefix=DYN-ROUNDING
@ -733,6 +748,102 @@
; CORTEX-M0-FAST-NOT: .eabi_attribute 22
; CORTEX-M0-FAST: .eabi_attribute 23, 1
; CORTEX-M0PLUS: .cpu cortex-m0plus
; CORTEX-M0PLUS: .eabi_attribute 6, 12
; CORTEX-M0PLUS-NOT: .eabi_attribute 7
; CORTEX-M0PLUS: .eabi_attribute 8, 0
; CORTEX-M0PLUS: .eabi_attribute 9, 1
; CORTEX-M0PLUS-NOT: .eabi_attribute 19
;; We default to IEEE 754 compliance
; CORTEX-M0PLUS: .eabi_attribute 20, 1
; CORTEX-M0PLUS: .eabi_attribute 21, 1
; CORTEX-M0PLUS-NOT: .eabi_attribute 22
; CORTEX-M0PLUS: .eabi_attribute 23, 3
; CORTEX-M0PLUS: .eabi_attribute 24, 1
; CORTEX-M0PLUS: .eabi_attribute 25, 1
; CORTEX-M0PLUS-NOT: .eabi_attribute 27
; CORTEX-M0PLUS-NOT: .eabi_attribute 28
; CORTEX-M0PLUS-NOT: .eabi_attribute 36
; CORTEX-M0PLUS: .eabi_attribute 38, 1
; CORTEX-M0PLUS-NOT: .eabi_attribute 42
; CORTEX-M0PLUS-NOT: .eabi_attribute 44
; CORTEX-M0PLUS-NOT: .eabi_attribute 68
; CORTEX-M0PLUS-FAST-NOT: .eabi_attribute 19
;; Despite the M0+ CPU having no FPU in this scenario, we chose to
;; flush to positive zero here. There's no hardware support doing
;; this, but the fast maths software library might and such behaviour
;; would match hardware support on this architecture revision if it
;; existed.
; CORTEX-M0PLUS-FAST-NOT: .eabi_attribute 20
; CORTEX-M0PLUS-FAST-NOT: .eabi_attribute 21
; CORTEX-M0PLUS-FAST-NOT: .eabi_attribute 22
; CORTEX-M0PLUS-FAST: .eabi_attribute 23, 1
; CORTEX-M1: .cpu cortex-m1
; CORTEX-M1: .eabi_attribute 6, 12
; CORTEX-M1-NOT: .eabi_attribute 7
; CORTEX-M1: .eabi_attribute 8, 0
; CORTEX-M1: .eabi_attribute 9, 1
; CORTEX-M1-NOT: .eabi_attribute 19
;; We default to IEEE 754 compliance
; CORTEX-M1: .eabi_attribute 20, 1
; CORTEX-M1: .eabi_attribute 21, 1
; CORTEX-M1-NOT: .eabi_attribute 22
; CORTEX-M1: .eabi_attribute 23, 3
; CORTEX-M1: .eabi_attribute 24, 1
; CORTEX-M1: .eabi_attribute 25, 1
; CORTEX-M1-NOT: .eabi_attribute 27
; CORTEX-M1-NOT: .eabi_attribute 28
; CORTEX-M1-NOT: .eabi_attribute 36
; CORTEX-M1: .eabi_attribute 38, 1
; CORTEX-M1-NOT: .eabi_attribute 42
; CORTEX-M1-NOT: .eabi_attribute 44
; CORTEX-M1-NOT: .eabi_attribute 68
; CORTEX-M1-FAST-NOT: .eabi_attribute 19
;; Despite the M1 CPU having no FPU in this scenario, we chose to
;; flush to positive zero here. There's no hardware support doing
;; this, but the fast maths software library might and such behaviour
;; would match hardware support on this architecture revision if it
;; existed.
; CORTEX-M1-FAST-NOT: .eabi_attribute 20
; CORTEX-M1-FAST-NOT: .eabi_attribute 21
; CORTEX-M1-FAST-NOT: .eabi_attribute 22
; CORTEX-M1-FAST: .eabi_attribute 23, 1
; SC000: .cpu sc000
; SC000: .eabi_attribute 6, 12
; SC000-NOT: .eabi_attribute 7
; SC000: .eabi_attribute 8, 0
; SC000: .eabi_attribute 9, 1
; SC000-NOT: .eabi_attribute 19
;; We default to IEEE 754 compliance
; SC000: .eabi_attribute 20, 1
; SC000: .eabi_attribute 21, 1
; SC000-NOT: .eabi_attribute 22
; SC000: .eabi_attribute 23, 3
; SC000: .eabi_attribute 24, 1
; SC000: .eabi_attribute 25, 1
; SC000-NOT: .eabi_attribute 27
; SC000-NOT: .eabi_attribute 28
; SC000-NOT: .eabi_attribute 36
; SC000: .eabi_attribute 38, 1
; SC000-NOT: .eabi_attribute 42
; SC000-NOT: .eabi_attribute 44
; SC000-NOT: .eabi_attribute 68
; SC000-FAST-NOT: .eabi_attribute 19
;; Despite the SC000 CPU having no FPU in this scenario, we chose to
;; flush to positive zero here. There's no hardware support doing
;; this, but the fast maths software library might and such behaviour
;; would match hardware support on this architecture revision if it
;; existed.
; SC000-FAST-NOT: .eabi_attribute 20
; SC000-FAST-NOT: .eabi_attribute 21
; SC000-FAST-NOT: .eabi_attribute 22
; SC000-FAST: .eabi_attribute 23, 1
; CORTEX-M3: .cpu cortex-m3
; CORTEX-M3: .eabi_attribute 6, 10
; CORTEX-M3: .eabi_attribute 7, 77
@ -763,6 +874,36 @@
; CORTEX-M3-FAST-NOT: .eabi_attribute 22
; CORTEX-M3-FAST: .eabi_attribute 23, 1
; SC300: .cpu sc300
; SC300: .eabi_attribute 6, 10
; SC300: .eabi_attribute 7, 77
; SC300: .eabi_attribute 8, 0
; SC300: .eabi_attribute 9, 2
; SC300-NOT: .eabi_attribute 19
;; We default to IEEE 754 compliance
; SC300: .eabi_attribute 20, 1
; SC300: .eabi_attribute 21, 1
; SC300-NOT: .eabi_attribute 22
; SC300: .eabi_attribute 23, 3
; SC300: .eabi_attribute 24, 1
; SC300: .eabi_attribute 25, 1
; SC300-NOT: .eabi_attribute 27
; SC300-NOT: .eabi_attribute 28
; SC300-NOT: .eabi_attribute 36
; SC300: .eabi_attribute 38, 1
; SC300-NOT: .eabi_attribute 42
; SC300-NOT: .eabi_attribute 44
; SC300-NOT: .eabi_attribute 68
; SC300-FAST-NOT: .eabi_attribute 19
;; Despite there being no FPU, we chose to flush to zero preserving
;; sign. This matches what the hardware would do for this architecture
;; revision.
; SC300-FAST: .eabi_attribute 20, 2
; SC300-FAST-NOT: .eabi_attribute 21
; SC300-FAST-NOT: .eabi_attribute 22
; SC300-FAST: .eabi_attribute 23, 1
; CORTEX-M4-SOFT: .cpu cortex-m4
; CORTEX-M4-SOFT: .eabi_attribute 6, 13
; CORTEX-M4-SOFT: .eabi_attribute 7, 77
@ -888,6 +1029,35 @@
; CORTEX-R5-FAST-NOT: .eabi_attribute 22
; CORTEX-R5-FAST: .eabi_attribute 23, 1
; CORTEX-R7: .cpu cortex-r7
; CORTEX-R7: .eabi_attribute 6, 10
; CORTEX-R7: .eabi_attribute 7, 82
; CORTEX-R7: .eabi_attribute 8, 1
; CORTEX-R7: .eabi_attribute 9, 2
; CORTEX-R7: .fpu vfpv3-d16
; CORTEX-R7-NOT: .eabi_attribute 19
;; We default to IEEE 754 compliance
; CORTEX-R7: .eabi_attribute 20, 1
; CORTEX-R7: .eabi_attribute 21, 1
; CORTEX-R7-NOT: .eabi_attribute 22
; CORTEX-R7: .eabi_attribute 23, 3
; CORTEX-R7: .eabi_attribute 24, 1
; CORTEX-R7: .eabi_attribute 25, 1
; CORTEX-R7: .eabi_attribute 27, 1
; CORTEX-R7-NOT: .eabi_attribute 28
; CORTEX-R7-NOT: .eabi_attribute 36
; CORTEX-R7: .eabi_attribute 38, 1
; CORTEX-R7: .eabi_attribute 42, 1
; CORTEX-R7: .eabi_attribute 44, 2
; CORTEX-R7-NOT: .eabi_attribute 68
; CORTEX-R7-FAST-NOT: .eabi_attribute 19
;; The R7 has the VFPv3 FP unit, which always flushes preserving sign.
; CORTEX-R7-FAST: .eabi_attribute 20, 2
; CORTEX-R7-FAST-NOT: .eabi_attribute 21
; CORTEX-R7-FAST-NOT: .eabi_attribute 22
; CORTEX-R7-FAST: .eabi_attribute 23, 1
; CORTEX-A53: .cpu cortex-a53
; CORTEX-A53: .eabi_attribute 6, 14
; CORTEX-A53: .eabi_attribute 7, 65