[PATCH][GCC-10 backport] arm: Add +nomve and +nomve.fp options to -mcpu=cortex-m55.
Kyrylo Tkachov
Kyrylo.Tkachov@arm.com
Fri Oct 16 10:19:13 GMT 2020
> -----Original Message-----
> From: Srinath Parvathaneni <Srinath.Parvathaneni@arm.com>
> Sent: 06 October 2020 15:32
> To: gcc-patches@gcc.gnu.org
> Cc: Kyrylo Tkachov <Kyrylo.Tkachov@arm.com>
> Subject: [PATCH][GCC-10 backport] arm: Add +nomve and +nomve.fp
> options to -mcpu=cortex-m55.
>
> Backport of Joe's patch wit no changes.
>
> This patch rearranges feature bits for MVE and FP to implement the
> following flags for -mcpu=cortex-m55.
>
> - +nomve: equivalent to armv8.1-m.main+fp.dp+dsp.
> - +nomve.fp: equivalent to armv8.1-m.main+mve+fp.dp (+dsp is implied by
> +mve).
> - +nofp: equivalent to armv8.1-m.main+mve (+dsp is implied by +mve).
> - +nodsp: equivalent to armv8.1-m.main+fp.dp.
>
> Combinations of the above:
>
> - +nomve+nofp: equivalent to armv8.1-m.main+dsp.
> - +nodsp+nofp: equivalent to armv8.1-m.main.
>
> Due to MVE and FP sharing vfp_base, some new syntax was required in the
> CPU
> description to implement the concept of 'implied bits'. These are non-named
> features added to the ISA late, depending on whether one or more features
> which
> depend on them are present. This means vfp_base can be present when only
> one of
> MVE and FP is removed, but absent when both are removed.
>
> Ok for GCC-10 branch?
Ok.
Thanks,
Kyrill
>
> gcc/ChangeLog:
>
> 2020-07-31 Joe Ramsay <joe.ramsay@arm.com>
>
> * config/arm/arm-cpus.in:
> (ALL_FPU_INTERNAL): Remove vfp_base.
> (VFPv2): Remove vfp_base.
> (MVE): Remove vfp_base.
> (vfp_base): Redefine as implied bit dependent on MVE or FP
> (cortex-m55): Add flags to disable MVE, MVE FP, FP and DSP
> extensions.
> * config/arm/arm.c (arm_configure_build_target): Add implied bits
> to ISA.
> * config/arm/parsecpu.awk:
> (gen_isa): Print implied bits and their dependencies to ISA header.
> (gen_data): Add parsing for implied feature bits.
>
> gcc/testsuite/ChangeLog:
>
> * gcc.target/arm/cortex-m55-nodsp-flag-hard.c: New test.
> * gcc.target/arm/cortex-m55-nodsp-flag-softfp.c: New test.
> * gcc.target/arm/cortex-m55-nodsp-nofp-flag-softfp.c: New test.
> * gcc.target/arm/cortex-m55-nofp-flag-hard.c: New test.
> * gcc.target/arm/cortex-m55-nofp-flag-softfp.c: New test.
> * gcc.target/arm/cortex-m55-nofp-nomve-flag-softfp.c: New test.
> * gcc.target/arm/cortex-m55-nomve-flag-hard.c: New test.
> * gcc.target/arm/cortex-m55-nomve-flag-softfp.c: New test.
> * gcc.target/arm/cortex-m55-nomve.fp-flag-hard.c: New test.
> * gcc.target/arm/cortex-m55-nomve.fp-flag-softfp.c: New test.
> * gcc.target/arm/multilib.exp: Add tests for -mcpu=cortex-m55.
>
> (cherry picked from commit 3e8fb15a8cfd0e62dd474af9f536863392ed7572)
>
>
> ############### Attachment also inlined for ease of reply
> ###############
>
>
> diff --git a/gcc/config/arm/arm-cpus.in b/gcc/config/arm/arm-cpus.in
> index
> d609113e969d69505bc2f1b13fab8b1dfd622472..db0b93f6bb74f6ddf42636c
> aa0d9a3db38692982 100644
> --- a/gcc/config/arm/arm-cpus.in
> +++ b/gcc/config/arm/arm-cpus.in
> @@ -135,10 +135,6 @@ define feature armv8_1m_main
> # Floating point and Neon extensions.
> # VFPv1 is not supported in GCC.
>
> -# This feature bit is enabled for all VFP, MVE and
> -# MVE with floating point extensions.
> -define feature vfp_base
> -
> # Vector floating point v2.
> define feature vfpv2
>
> @@ -251,7 +247,7 @@ define fgroup ALL_SIMD
> ALL_SIMD_INTERNAL ALL_SIMD_EXTERNAL
>
> # List of all FPU bits to strip out if -mfpu is used to override the
> # default. fp16 is deliberately missing from this list.
> -define fgroup ALL_FPU_INTERNAL vfp_base vfpv2 vfpv3 vfpv4 fpv5
> fp16conv fp_dbl ALL_SIMD_INTERNAL
> +define fgroup ALL_FPU_INTERNAL vfpv2 vfpv3 vfpv4 fpv5 fp16conv
> fp_dbl ALL_SIMD_INTERNAL
> # Similarly, but including fp16 and other extensions that aren't part of
> # -mfpu support.
> define fgroup ALL_FPU_EXTERNAL fp16 bf16
> @@ -296,11 +292,11 @@ define fgroup ARMv8r ARMv8a
> define fgroup ARMv8_1m_main ARMv8m_main armv8_1m_main
>
> # Useful combinations.
> -define fgroup VFPv2 vfp_base vfpv2
> +define fgroup VFPv2 vfpv2
> define fgroup VFPv3 VFPv2 vfpv3
> define fgroup VFPv4 VFPv3 vfpv4 fp16conv
> define fgroup FPv5 VFPv4 fpv5
> -define fgroup MVE mve vfp_base armv7em
> +define fgroup MVE mve armv7em
> define fgroup MVE_FP MVE FPv5 fp16 mve_float
>
> define fgroup FP_DBL fp_dbl
> @@ -310,6 +306,18 @@ define fgroup NEON FP_D32 neon
> define fgroup CRYPTO NEON crypto
> define fgroup DOTPROD NEON dotprod
>
> +# Implied feature bits. These are for non-named features shared between
> fgroups.
> +# Shared feature f belonging to fgroups A and B will be erroneously
> removed if:
> +# A and B are enabled by default AND A is disabled by a removal flag.
> +# To ensure that f is retained, we must add such bits to the ISA after
> +# processing the removal flags. This is implemented by 'implied bits':
> +# define implied <name> [<feature-or-fgroup>]+
> +# This indicates that, if any of the listed features are enabled, or if any
> +# member of a listed fgroup is enabled, then <name> will be implicitly
> enabled.
> +
> +# Enabled for all VFP, MVE and MVE with floating point extensions.
> +define implied vfp_base MVE MVE_FP ALL_FP
> +
> # List of all quirk bits to strip out when comparing CPU features with
> # architectures.
> # xscale isn't really a 'quirk', but it isn't an architecture either and we
> @@ -1532,6 +1540,10 @@ begin cpu cortex-m55
> cname cortexm55
> tune flags LDSCHED
> architecture armv8.1-m.main+mve.fp+fp.dp
> + option nomve.fp remove mve_float
> + option nomve remove mve mve_float
> + option nofp remove ALL_FP mve_float
> + option nodsp remove MVE mve_float
> isa quirk_no_asmcpu
> costs v7m
> vendor 41
> diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
> index
> d8da167fc0d63100f77504ec4355f7ef98ed34ee..ed0d44cf1b75f8f97b35c9bb
> 7ad672293c9ec6f6 100644
> --- a/gcc/config/arm/arm.c
> +++ b/gcc/config/arm/arm.c
> @@ -3407,6 +3407,20 @@ arm_configure_build_target (struct
> arm_build_target *target,
> bitmap_ior (target->isa, target->isa, fpu_bits);
> }
>
> + /* There may be implied bits which we still need to enable. These are
> + non-named features which are needed to complete other sets of
> features,
> + but cannot be enabled from arm-cpus.in due to being shared between
> + multiple fgroups. Each entry in all_implied_fbits is of the form
> + ante -> cons, meaning that if the feature "ante" is enabled, we should
> + implicitly enable "cons". */
> + const struct fbit_implication *impl = all_implied_fbits;
> + while (impl->ante)
> + {
> + if (bitmap_bit_p (target->isa, impl->ante))
> + bitmap_set_bit (target->isa, impl->cons);
> + impl++;
> + }
> +
> if (!arm_selected_tune)
> arm_selected_tune = arm_selected_cpu;
> else /* Validate the features passed to -mtune. */
> diff --git a/gcc/config/arm/parsecpu.awk b/gcc/config/arm/parsecpu.awk
> index
> 7fc37541c764829a02bd3ff91b1bc23e1d0ca416..9423e8a9d5ce56383365e3c
> 80b581970cde4e51d 100644
> --- a/gcc/config/arm/parsecpu.awk
> +++ b/gcc/config/arm/parsecpu.awk
> @@ -190,6 +190,23 @@ function gen_isa () {
> ORS = z
> print "\n"
> }
> +
> + print "struct fbit_implication {"
> + print " /* Represents a feature implication, where:"
> + print " ante IMPLIES cons"
> + print " meaning that if ante is enabled then we should"
> + print " also implicitly enable cons. */"
> + print " enum isa_feature ante;"
> + print " enum isa_feature cons;"
> + print "};\n"
> + print "static const struct fbit_implication all_implied_fbits[] ="
> + print "{"
> + for (impl in implied_bits) {
> + split (impl, impl_parts, SUBSEP)
> + print " { isa_bit_" impl_parts[2] ", isa_bit_" impl_parts[1] " },"
> + }
> + print " { isa_nobit, isa_nobit }"
> + print "};\n"
> }
>
> function gen_data () {
> @@ -600,6 +617,40 @@ BEGIN {
> parse_ok = 1
> }
>
> +/^define implied / {
> + if (NF < 4) fatal("syntax: define implied <name> [<feature-or-fgroup>]+\n"
> \
> + "Implied bits must be defined with at least one
> antecedent.")
> + toplevel()
> + fbit = $3
> + if (fbit in features) fatal("implied feature " fbit " aliases a real feature")
> + if (fbit in fgroup) fatal("implied feature " fbit " aliases a feature group")
> + fcount = NF
> + features[fbit] = 1
> + for (n = 4; n <= fcount; n++) {
> + ante = $n
> + if (fbit == ante) fatal("feature cannot imply itself")
> + else if (ante in features) {
> + for (impl in implied_bits) {
> + split(impl, impl_sep, SUBSEP)
> + if (ante == impl_sep[1])
> + fatal(ante " implies implied bit " fbit \
> + ". Chained implications not currently supported")
> + }
> + implied_bits[fbit, ante] = 1
> + } else if (ante in fgroup) {
> + for (bitcomb in fgrp_bits) {
> + split(bitcomb, bitsep, SUBSEP)
> + if (bitsep[1] == ante) {
> + implied_bits[fbit, bitsep[2]] = 1
> + }
> + }
> + } else {
> + fatal("implied bit antecedent " ante " unrecognized")
> + }
> + }
> + parse_ok = 1
> +}
> +
> /^begin fpu / {
> if (NF != 3) fatal("syntax: begin fpu <name>")
> toplevel()
> diff --git a/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-flag-hard.c
> b/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-flag-hard.c
> new file mode 100644
> index
> 0000000000000000000000000000000000000000..b3c7fd06a1ad1bbe70123
> a834a8a0b6587cba9f2
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-flag-hard.c
> @@ -0,0 +1,15 @@
> +/* { dg-do assemble } */
> +/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
> +/* { dg-additional-options "-mcpu=cortex-m55+nodsp -mfloat-abi=hard -
> mfpu=auto --save-temps" } */
> +/* { dg-final { scan-assembler "\.arch_extension fp" } } */
> +/* { dg-final { scan-assembler "\.arch_extension fp.dp" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension dsp" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension mve" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension mve.fp" } } */
> +/* { dg-final { scan-assembler "\.fpu fpv5-d16" } } */
> +
> +int
> +f ()
> +{
> + return 1;
> +}
> diff --git a/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-flag-softfp.c
> b/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-flag-softfp.c
> new file mode 100644
> index
> 0000000000000000000000000000000000000000..3806554761f5e6f0c5a168
> 8b1373a2cf4c609b97
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-flag-softfp.c
> @@ -0,0 +1,15 @@
> +/* { dg-do assemble } */
> +/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
> +/* { dg-additional-options "-mcpu=cortex-m55+nodsp -mfloat-abi=softfp -
> mfpu=auto --save-temps" } */
> +/* { dg-final { scan-assembler "\.arch_extension fp" } } */
> +/* { dg-final { scan-assembler "\.arch_extension fp.dp" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension dsp" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension mve" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension mve.fp" } } */
> +/* { dg-final { scan-assembler "\.fpu fpv5-d16" } } */
> +
> +int
> +f ()
> +{
> + return 1;
> +}
> diff --git a/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-nofp-flag-
> softfp.c b/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-nofp-flag-
> softfp.c
> new file mode 100644
> index
> 0000000000000000000000000000000000000000..d22eb4e063036a99f5274
> c441427ace08f328ec4
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-nofp-flag-softfp.c
> @@ -0,0 +1,15 @@
> +/* { dg-do assemble } */
> +/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
> +/* { dg-additional-options "-mcpu=cortex-m55+nodsp+nofp -mfloat-
> abi=softfp -mfpu=auto --save-temps" } */
> +/* { dg-final { scan-assembler-not "\.arch_extension fp" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension fp.dp" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension dsp" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension mve" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension mve.fp" } } */
> +/* { dg-final { scan-assembler "\.fpu softvfp" } } */
> +
> +int
> +f ()
> +{
> + return 1;
> +}
> diff --git a/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-flag-hard.c
> b/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-flag-hard.c
> new file mode 100644
> index
> 0000000000000000000000000000000000000000..da1cc25e83b1e5de4fe71b
> 66ee146337b7714b7d
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-flag-hard.c
> @@ -0,0 +1,15 @@
> +/* { dg-do assemble } */
> +/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
> +/* { dg-additional-options "-mcpu=cortex-m55+nofp -mfloat-abi=hard -
> mfpu=auto --save-temps" } */
> +/* { dg-final { scan-assembler "\.arch_extension mve" } } */
> +/* { dg-final { scan-assembler "\.arch_extension dsp" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension fp" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension fp.dp" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension mve.fp" } } */
> +/* { dg-final { scan-assembler-not "\.fpu" } } */
> +
> +int
> +f ()
> +{
> + return 1;
> +}
> diff --git a/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-flag-softfp.c
> b/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-flag-softfp.c
> new file mode 100644
> index
> 0000000000000000000000000000000000000000..0a4fb14bd9b7291c60d3ac
> b571bd9cbdfeca5e09
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-flag-softfp.c
> @@ -0,0 +1,15 @@
> +/* { dg-do assemble } */
> +/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
> +/* { dg-additional-options "-mcpu=cortex-m55+nofp -mfloat-abi=softfp -
> mfpu=auto --save-temps" } */
> +/* { dg-final { scan-assembler "\.arch_extension mve" } } */
> +/* { dg-final { scan-assembler "\.arch_extension dsp" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension fp" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension fp.dp" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension mve.fp" } } */
> +/* { dg-final { scan-assembler-not "\.fpu" } } */
> +
> +int
> +f ()
> +{
> + return 1;
> +}
> diff --git a/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-nomve-flag-
> softfp.c b/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-nomve-flag-
> softfp.c
> new file mode 100644
> index
> 0000000000000000000000000000000000000000..2ae7f34d4563dd4b53f030
> 512cb6dbb6a166db16
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-nomve-flag-softfp.c
> @@ -0,0 +1,15 @@
> +/* { dg-do assemble } */
> +/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
> +/* { dg-additional-options "-mcpu=cortex-m55+nomve+nofp -mfloat-
> abi=softfp -mfpu=auto --save-temps" } */
> +/* { dg-final { scan-assembler-not "\.arch_extension mve" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension mve.fp" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension fp" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension fp.dp" } } */
> +/* { dg-final { scan-assembler "\.arch_extension dsp" } } */
> +/* { dg-final { scan-assembler-not "\.fpu" } } */
> +
> +int
> +f ()
> +{
> + return 1;
> +}
> diff --git a/gcc/testsuite/gcc.target/arm/cortex-m55-nomve-flag-hard.c
> b/gcc/testsuite/gcc.target/arm/cortex-m55-nomve-flag-hard.c
> new file mode 100644
> index
> 0000000000000000000000000000000000000000..a6ccd7b6ed43c6efff7b2d
> db530dc9bf7fd91506
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/arm/cortex-m55-nomve-flag-hard.c
> @@ -0,0 +1,15 @@
> +/* { dg-do assemble } */
> +/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
> +/* { dg-additional-options "-mcpu=cortex-m55+nomve -mfloat-abi=hard -
> mfpu=auto --save-temps" } */
> +/* { dg-final { scan-assembler-not "\.arch_extension mve" } } */
> +/* { dg-final { scan-assembler "\.arch_extension dsp" } } */
> +/* { dg-final { scan-assembler "\.arch_extension fp" } } */
> +/* { dg-final { scan-assembler "\.arch_extension fp.dp" } } */
> +/* { dg-final { scan-assembler "\.fpu fpv5-d16" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension mve.fp" } } */
> +
> +int
> +f ()
> +{
> + return 1;
> +}
> diff --git a/gcc/testsuite/gcc.target/arm/cortex-m55-nomve-flag-softfp.c
> b/gcc/testsuite/gcc.target/arm/cortex-m55-nomve-flag-softfp.c
> new file mode 100644
> index
> 0000000000000000000000000000000000000000..2ad976a7960ae75ca62cdf
> 16ba5b3112d0837294
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/arm/cortex-m55-nomve-flag-softfp.c
> @@ -0,0 +1,15 @@
> +/* { dg-do assemble } */
> +/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
> +/* { dg-additional-options "-mcpu=cortex-m55+nomve -mfloat-abi=softfp -
> mfpu=auto --save-temps" } */
> +/* { dg-final { scan-assembler-not "\.arch_extension mve" } } */
> +/* { dg-final { scan-assembler "\.arch_extension dsp" } } */
> +/* { dg-final { scan-assembler "\.arch_extension fp" } } */
> +/* { dg-final { scan-assembler "\.arch_extension fp.dp" } } */
> +/* { dg-final { scan-assembler "\.fpu fpv5-d16" } } */
> +/* { dg-final { scan-assembler-not "\.arch_extension mve.fp" } } */
> +
> +int
> +f ()
> +{
> + return 1;
> +}
> diff --git a/gcc/testsuite/gcc.target/arm/cortex-m55-nomve.fp-flag-hard.c
> b/gcc/testsuite/gcc.target/arm/cortex-m55-nomve.fp-flag-hard.c
> new file mode 100644
> index
> 0000000000000000000000000000000000000000..40d54b89befb4be2020d5
> be99542189d792a285e
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/arm/cortex-m55-nomve.fp-flag-hard.c
> @@ -0,0 +1,15 @@
> +/* { dg-do assemble } */
> +/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
> +/* { dg-additional-options "-mcpu=cortex-m55+nomve.fp -mfloat-abi=hard
> -mfpu=auto --save-temps" } */
> +/* { dg-final { scan-assembler-not "\.arch_extension mve.fp" } } */
> +/* { dg-final { scan-assembler "\.arch_extension mve" } } */
> +/* { dg-final { scan-assembler "\.arch_extension dsp" } } */
> +/* { dg-final { scan-assembler "\.arch_extension fp" } } */
> +/* { dg-final { scan-assembler "\.arch_extension fp.dp" } } */
> +/* { dg-final { scan-assembler "\.fpu fpv5-d16" } } */
> +
> +int
> +f ()
> +{
> + return 1;
> +}
> diff --git a/gcc/testsuite/gcc.target/arm/cortex-m55-nomve.fp-flag-softfp.c
> b/gcc/testsuite/gcc.target/arm/cortex-m55-nomve.fp-flag-softfp.c
> new file mode 100644
> index
> 0000000000000000000000000000000000000000..c72680314cf37b06b824b5
> 5f5412a4d52c965fde
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/arm/cortex-m55-nomve.fp-flag-softfp.c
> @@ -0,0 +1,15 @@
> +/* { dg-do assemble } */
> +/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
> +/* { dg-additional-options "-mcpu=cortex-m55+nomve.fp -mfloat-
> abi=softfp -mfpu=auto --save-temps" } */
> +/* { dg-final { scan-assembler-not "\.arch_extension mve.fp" } } */
> +/* { dg-final { scan-assembler "\.arch_extension mve" } } */
> +/* { dg-final { scan-assembler "\.arch_extension dsp" } } */
> +/* { dg-final { scan-assembler "\.arch_extension fp" } } */
> +/* { dg-final { scan-assembler "\.arch_extension fp.dp" } } */
> +/* { dg-final { scan-assembler "\.fpu fpv5-d16" } } */
> +
> +int
> +f ()
> +{
> + return 1;
> +}
> diff --git a/gcc/testsuite/gcc.target/arm/multilib.exp
> b/gcc/testsuite/gcc.target/arm/multilib.exp
> index
> c5f3c02c28e7707a5146faf2e35979b80bb08744..6aba29ede95263b1c9a7eff
> 438f94f53559f8a2a 100644
> --- a/gcc/testsuite/gcc.target/arm/multilib.exp
> +++ b/gcc/testsuite/gcc.target/arm/multilib.exp
> @@ -824,6 +824,22 @@ if {[multilib_config "rmprofile"] } {
> {-march=armv8.1-m.main+mve.fp+fp.dp -mfpu=auto -mfloat-
> abi=softfp} "thumb/v8-m.main+dp/softfp"
> {-march=armv8.1-m.main+mve+fp.dp -mfpu=auto -mfloat-abi=hard}
> "thumb/v8-m.main+dp/hard"
> {-march=armv8.1-m.main+mve.fp+fp.dp -mfpu=auto -mfloat-
> abi=hard} "thumb/v8-m.main+dp/hard"
> + {-mcpu=cortex-m55+nomve -mfpu=auto -mfloat-abi=soft}
> "thumb/v8-m.main/nofp"
> + {-mcpu=cortex-m55+nomve -mfpu=auto -mfloat-abi=softfp}
> "thumb/v8-m.main+dp/softfp"
> + {-mcpu=cortex-m55+nomve -mfpu=auto -mfloat-abi=hard}
> "thumb/v8-m.main+dp/hard"
> + {-mcpu=cortex-m55+nomve.fp -mfpu=auto -mfloat-abi=soft}
> "thumb/v8-m.main/nofp"
> + {-mcpu=cortex-m55+nomve.fp -mfpu=auto -mfloat-abi=softfp}
> "thumb/v8-m.main+dp/softfp"
> + {-mcpu=cortex-m55+nomve.fp -mfpu=auto -mfloat-abi=hard}
> "thumb/v8-m.main+dp/hard"
> + {-mcpu=cortex-m55+nofp -mfpu=auto -mfloat-abi=soft} "thumb/v8-
> m.main/nofp"
> + {-mcpu=cortex-m55+nofp -mfpu=auto -mfloat-abi=softfp}
> "thumb/v8-m.main/nofp"
> + {-mcpu=cortex-m55+nofp -mfpu=auto -mfloat-abi=hard}
> "thumb/v8.1-m.main+mve/hard"
> + {-mcpu=cortex-m55+nodsp -mfpu=auto -mfloat-abi=soft}
> "thumb/v8-m.main/nofp"
> + {-mcpu=cortex-m55+nodsp -mfpu=auto -mfloat-abi=softfp}
> "thumb/v8-m.main+dp/softfp"
> + {-mcpu=cortex-m55+nodsp -mfpu=auto -mfloat-abi=hard}
> "thumb/v8-m.main+dp/hard"
> + {-mcpu=cortex-m55+nomve+nofp -mfpu=auto -mfloat-abi=soft}
> "thumb/v8-m.main/nofp"
> + {-mcpu=cortex-m55+nomve+nofp -mfpu=auto -mfloat-abi=softfp}
> "thumb/v8-m.main/nofp"
> + {-mcpu=cortex-m55+nodsp+nofp -mfpu=auto -mfloat-abi=soft}
> "thumb/v8-m.main/nofp"
> + {-mcpu=cortex-m55+nodsp+nofp -mfpu=auto -mfloat-abi=softfp}
> "thumb/v8-m.main/nofp"
> } {
> check_multi_dir $opts $dir
> }
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