Add multilib mappings for armv7ve (#481)

This is a GCC name for v7-A with the virtualisation extension, so for
library selection we can treat it the same as v7-A.

Author: ostannard

cmake/multilib.yaml.in

@@ -135,6 +135,15 @@ Mappings:
   Flags:
   - --target=armv5e-unknown-none-eabihf
 
+# armv7ve is a GCC name for v7-A with the virtualisation extension, for library
+# selection we treat it the same as v7-A.
+- Match: --target=(arm|thumb)v7ve-unknown-none-eabi
+  Flags:
+  - --target=armv7-unknown-none-eabi
+- Match: --target=(arm|thumb)v7ve-unknown-none-eabihf
+  Flags:
+  - --target=armv7-unknown-none-eabihf
+
 # Higher versions of v8-A, and v9-A, are all supersets of v8-A. (And
 # of each other, in the obvious way, but we don't have any libraries
 # for those at present, so there's no need to generate all their

test/multilib/armv7a.test

@@ -1,6 +1,9 @@
 # RUN: %clang -print-multi-directory --target=armv7a-none-eabi -mfpu=none        | FileCheck %s
 # RUN: %clang -print-multi-directory --target=armv7a-none-eabi -mfpu=none -marm  | FileCheck %s
 # RUN: %clang -print-multi-directory --target=armv7a-none-eabi -mfpu=none -mthumb| FileCheck %s
+# RUN: %clang -print-multi-directory --target=armv7ve-none-eabi -mfpu=none        | FileCheck %s
+# RUN: %clang -print-multi-directory --target=armv7ve-none-eabi -mfpu=none -marm  | FileCheck %s
+# RUN: %clang -print-multi-directory --target=armv7ve-none-eabi -mfpu=none -mthumb| FileCheck %s
 # CHECK: arm-none-eabi/armv7a_soft_nofp_exn_rtti{{$}}
 # CHECK-EMPTY:
 
@@ -15,6 +18,8 @@
 # RUN: %clang -print-multi-directory --target=armv7a-none-eabihf -mfpu=neon-vfpv4 | FileCheck --check-prefix=VFPV3 %s
 # RUN: %clang -print-multi-directory --target=armv7a-none-eabihf -mfpu=vfpv3-d16 -marm | FileCheck --check-prefix=VFPV3 %s
 # RUN: %clang -print-multi-directory --target=armv7a-none-eabihf -mfpu=vfpv3-d16 -mthumb | FileCheck --check-prefix=VFPV3 %s
+# RUN: %clang -print-multi-directory --target=armv7ve-none-eabihf -mfpu=vfpv3-d16 | FileCheck --check-prefix=VFPV3 %s
+# RUN: %clang -print-multi-directory --target=armv7ve-none-eabihf -mfpu=vfpv3-d16 -mthumb | FileCheck --check-prefix=VFPV3 %s
 # VFPV3: arm-none-eabi/armv7a_hard_vfpv3_d16_exn_rtti{{$}}
 # VFPV3-EMPTY: