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[PATCH, arm-embedded] Map armv8-m.main+dsp multilib to armv8-m.main one
- From: Thomas Preudhomme <thomas dot preudhomme at foss dot arm dot com>
- To: gcc-patches at gcc dot gnu dot org
- Date: Wed, 25 May 2016 18:24:52 +0100
- Subject: [PATCH, arm-embedded] Map armv8-m.main+dsp multilib to armv8-m.main one
- Authentication-results: sourceware.org; auth=none
Hi,
ARMv8-M Mainline with DSP extension currently uses ARMv4T multilib because no
multilib is built for it and there is no directive telling GCC how to map it
to the right multilib. Therefore, we have applied the below patch
ARM/embedded-5-branch to add a directive to map it to ARMv8-M Mainline
multilibs (several multilibs exist for different mfpu options).
*** gcc/ChangeLog.arm ***
2016-05-24 Thomas Preud'homme <thomas.preudhomme@arm.com>
* config/arm/t-baremetal (MULTILIB_MATCHES): Match ARMv8-M Mainline
with DSP extensions to ARMv8-M Mainline.
diff --git a/gcc/config/arm/t-baremetal b/gcc/config/arm/t-baremetal
index
ffd29815e6ec22c747e77747ed9b69e0ae21b63a..47522edba29e00c34f52d6a03dc04ab53f4925f3
100644
--- a/gcc/config/arm/t-baremetal
+++ b/gcc/config/arm/t-baremetal
@@ -50,6 +50,7 @@ MULTILIB_MATCHES += march?armv7=mcpu?exynos-m1
MULTILIB_MATCHES += march?armv7=mcpu?xgene1
MULTILIB_MATCHES += march?armv7=mcpu?cortex-a57.cortex-a53
MULTILIB_MATCHES += march?armv7=mcpu?cortex-a72.cortex-a53
+MULTILIB_MATCHES += march?armv8-m.main=march?armv8-m.main+dsp
MULTILIB_MATCHES += mfpu?vfpv3-d16=mfpu?vfpv3
MULTILIB_MATCHES += mfpu?vfpv3-d16=mfpu?vfpv3-fp16
MULTILIB_MATCHES += mfpu?vfpv3-d16=mfpu?vfpv3-d16-fp16
Best regards,
Thomas