[question] Can not select Cortex-M33 without DSP type CPU!!!!!!

[vscodeenv]

What you want to do
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if CPU without DSP will error select CM33
AC6 can select CM33 with DSP or CM33 without DSP

Expected behavior
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[github0null]

Different compiler has different options, they can't be compared.

Don't care this, just include your DSP library and enable hard FPU, then build your project, the compiler will do what it does.

And you can disassembly your ELF file to check whether the dsp instruction was generated.

PS C:\Users\admin\Desktop> arm-none-eabi-gcc.exe -mcpu=? 

arm-none-eabi-gcc.exe: error: unrecognized -mcpu target: ?
arm-none-eabi-gcc.exe: note: valid arguments are: arm8 arm810 strongarm 
strongarm110 fa526 fa626 arm7tdmi arm7tdmi-s arm710t arm720t arm740t 
arm9 arm9tdmi arm920t arm920 arm922t arm940t ep9312 arm10tdmi arm1020t 
arm9e arm946e-s arm966e-s arm968e-s arm10e arm1020e arm1022e xscale 
iwmmxt iwmmxt2 fa606te fa626te fmp626 fa726te arm926ej-s arm1026ej-s 
arm1136j-s arm1136jf-s arm1176jz-s arm1176jzf-s mpcorenovfp mpcore arm1156t2-s arm1156t2f-s 
cortex-m1 cortex-m0 cortex-m0plus cortex-m1.small-multiply cortex-m0.small-multiply 
cortex-m0plus.small-multiply generic-armv7-a cortex-a5 cortex-a7 cortex-a8 cortex-a9 
cortex-a12 cortex-a15 cortex-a17 cortex-r4 cortex-r4f cortex-r5 cortex-r7 cortex-r8 cortex-m7 
cortex-m4 cortex-m3 marvell-pj4 cortex-a15.cortex-a7 
cortex-a17.cortex-a7 cortex-a32 cortex-a35 cortex-a53 cortex-a57 cortex-a72 
cortex-a73 exynos-m1 xgene1 cortex-a57.cortex-a53 cortex-a72.cortex-a53 
cortex-a73.cortex-a35 cortex-a73.cortex-a53 cortex-a55 cortex-a75 cortex-a76 
cortex-a76ae cortex-a77 neoverse-n1 cortex-a75.cortex-a55 cortex-a76.cortex-a55 
neoverse-v1 neoverse-n2 cortex-m23 cortex-m33 cortex-m35p cortex-m55 cortex-r52