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Mon, 10 Oct 2022 08:20:39 +0000 Content-Type: multipart/mixed; boundary="===============4563398614548993550==" MIME-Version: 1.0 From: Srinath Parvathaneni To: CC: , Subject: [GCC][PATCH] arm: Add cde feature support for Cortex-M55 CPU. 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charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Hi, This patch adds cde feature (optional) support for Cortex-M55 CPU, please refer [1] for more details. To use this feature we need to specify +cdecpN (e.g. -mcpu=cortex-m55+cdecp), where N is the coprocessor number 0 to 7. Bootstrapped for arm-none-linux-gnueabihf target, regression tested on arm-none-eabi target and found no regressions. [1] https://developer.arm.com/documentation/101051/0101/?lang=en (version: r1p1). Ok for master? Regards, Srinath. gcc/ChangeLog: 2022-10-07 Srinath Parvathaneni * common/config/arm/arm-common.cc (arm_canon_arch_option_1): Ignore cde options for mlibarch. * config/arm/arm-cpus.in (begin cpu cortex-m55): Add cde options. * doc/invoke.texi (CDE): Document options for Cortex-M55 CPU. gcc/testsuite/ChangeLog: 2022-10-07 Srinath Parvathaneni * gcc.target/arm/multilib.exp: Add multilib tests for Cortex-M55 CPU. ############### Attachment also inlined for ease of reply ############### diff --git a/gcc/common/config/arm/arm-common.cc b/gcc/common/config/arm/arm-common.cc index c38812f1ea6a690cd19b0dc74d963c4f5ae155ca..b6f955b3c012475f398382e72c9a3966412991ec 100644 --- a/gcc/common/config/arm/arm-common.cc +++ b/gcc/common/config/arm/arm-common.cc @@ -753,6 +753,15 @@ arm_canon_arch_option_1 (int argc, const char **argv, bool arch_for_multilib) arm_initialize_isa (target_isa, selected_cpu->common.isa_bits); arm_parse_option_features (target_isa, &selected_cpu->common, strchr (cpu, '+')); + if (arch_for_multilib) + { + const enum isa_feature removable_bits[] = {ISA_IGNORE_FOR_MULTILIB, + isa_nobit}; + sbitmap isa_bits = sbitmap_alloc (isa_num_bits); + arm_initialize_isa (isa_bits, removable_bits); + bitmap_and_compl (target_isa, target_isa, isa_bits); + } + if (fpu && strcmp (fpu, "auto") != 0) { /* The easiest and safest way to remove the default fpu diff --git a/gcc/config/arm/arm-cpus.in b/gcc/config/arm/arm-cpus.in index 5a63bc548e54dbfdce5d1df425bd615d81895d80..aa02c04c4924662f3ddd58e6967392ba3f4b4a87 100644 --- a/gcc/config/arm/arm-cpus.in +++ b/gcc/config/arm/arm-cpus.in @@ -1633,6 +1633,14 @@ begin cpu cortex-m55 option nomve remove mve mve_float option nofp remove ALL_FP mve_float option nodsp remove MVE mve_float + option cdecp0 add cdecp0 + option cdecp1 add cdecp1 + option cdecp2 add cdecp2 + option cdecp3 add cdecp3 + option cdecp4 add cdecp4 + option cdecp5 add cdecp5 + option cdecp6 add cdecp6 + option cdecp7 add cdecp7 isa quirk_no_asmcpu quirk_vlldm costs v7m vendor 41 diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index aa5655764a0360959f9c1061749d2cc9ebd23489..26857f7a90e42d925bc6908686ac78138a53c4ad 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -21698,6 +21698,10 @@ floating-point instructions on @samp{cortex-m55}. Disable the M-Profile Vector Extension (MVE) single precision floating-point instructions on @samp{cortex-m55}. +@item +cdecp0, +cdecp1, ... , +cdecp7 +Enable the Custom Datapath Extension (CDE) on selected coprocessors according +to the numbers given in the options in the range 0 to 7 on @samp{cortex-m55}. + @item +nofp Disables the floating-point instructions on @samp{arm9e}, @samp{arm946e-s}, @samp{arm966e-s}, @samp{arm968e-s}, @samp{arm10e}, diff --git a/gcc/testsuite/gcc.target/arm/multilib.exp b/gcc/testsuite/gcc.target/arm/multilib.exp index 2fa648c61dafebb663969198bf7849400a7547f6..7a977bff58b7b68bfe9e49d7602989a39caa6534 100644 --- a/gcc/testsuite/gcc.target/arm/multilib.exp +++ b/gcc/testsuite/gcc.target/arm/multilib.exp @@ -851,6 +851,18 @@ if {[multilib_config "rmprofile"] } { {-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" + {-mcpu=cortex-m55 -mfloat-abi=hard -mfpu=auto} "thumb/v8-m.main+dp/hard" + {-mcpu=cortex-m55+cdecp0 -mfloat-abi=hard -mfpu=auto} "thumb/v8-m.main+dp/hard" + {-mcpu=cortex-m55+nomve+cdecp0 -mfloat-abi=hard -mfpu=auto} "thumb/v8-m.main+dp/hard" + {-mcpu=cortex-m55+cdecp0+cdecp1+cdecp2+cdecp3+cdecp4+cdecp5+cdecp6+cdecp7 -mfloat-abi=hard -mfpu=auto} "thumb/v8-m.main+dp/hard" + {-mcpu=cortex-m55 -mfloat-abi=softfp -mfpu=auto} "thumb/v8-m.main+dp/softfp" + {-mcpu=cortex-m55+cdecp0 -mfloat-abi=softfp -mfpu=auto} "thumb/v8-m.main+dp/softfp" + {-mcpu=cortex-m55+nomve+cdecp0 -mfloat-abi=softfp -mfpu=auto} "thumb/v8-m.main+dp/softfp" + {-mcpu=cortex-m55+cdecp0+cdecp1+cdecp2+cdecp3+cdecp4+cdecp5+cdecp6+cdecp7 -mfloat-abi=softfp -mfpu=auto} "thumb/v8-m.main+dp/softfp" + {-mcpu=cortex-m55 -mfloat-abi=soft -mfpu=auto} "thumb/v8-m.main/nofp" + {-mcpu=cortex-m55+cdecp0 -mfloat-abi=soft -mfpu=auto} "thumb/v8-m.main/nofp" + {-mcpu=cortex-m55+nomve+cdecp0 -mfloat-abi=soft -mfpu=auto} "thumb/v8-m.main/nofp" + {-mcpu=cortex-m55+cdecp0+cdecp1+cdecp2+cdecp3+cdecp4+cdecp5+cdecp6+cdecp7 -mfloat-abi=soft -mfpu=auto} "thumb/v8-m.main/nofp" {-march=armv8-m.main+cdecp0 -mfpu=auto -mfloat-abi=soft} "thumb/v8-m.main/nofp" {-march=armv8-m.main+fp+cdecp0 -mfpu=auto -mfloat-abi=soft} "thumb/v8-m.main/nofp" {-march=armv8-m.main+fp.dp+cdecp0 -mfpu=auto -mfloat-abi=soft} "thumb/v8-m.main/nofp" --===============4563398614548993550== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="rb16326.patch" ZGlmZiAtLWdpdCBhL2djYy9jb21tb24vY29uZmlnL2FybS9hcm0tY29tbW9uLmNjIGIvZ2NjL2Nv bW1vbi9jb25maWcvYXJtL2FybS1jb21tb24uY2MKaW5kZXggYzM4ODEyZjFlYTZhNjkwY2QxOWIw ZGM3NGQ5NjNjNGY1YWUxNTVjYS4uYjZmOTU1YjNjMDEyNDc1ZjM5ODM4MmU3MmM5YTM5NjY0MTI5 OTFlYyAxMDA2NDQKLS0tIGEvZ2NjL2NvbW1vbi9jb25maWcvYXJtL2FybS1jb21tb24uY2MKKysr 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