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Build with zmmul extension (require clang 15)

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Signed-off-by: Daniel Lublin <daniel@lublin.se>
This commit is contained in:
Daniel Lublin 2022-11-28 15:56:56 +01:00 committed by Joachim Strömbergson
parent 0c41167644
commit ffa6236243
2 changed files with 7 additions and 7 deletions
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10
doc/toolchain_setup.md
View File

@ -61,11 +61,11 @@ You can read
[more](https://www.sifive.com/blog/all-aboard-part-1-compiler-args)
about it.
The project uses the LLVM/Clang suite, where version 14 is the latest
stable (as of writing). Usually the LLVM/Clang packages that are part
of your distro will work, if not, there are installations instructions
for "Install (stable branch)" at https://apt.llvm.org/ for Debian and
Ubuntu.
The project uses the LLVM/Clang suite and version 15 or later is
required. As of writing Ubuntu 22.10 has version 15 packaged. You may
be able to get it installed on older Ubuntu and Debian using the
instructions on https://apt.llvm.org/ . There are also binary releases
here: https://github.com/llvm/llvm-project/releases
References:
* https://github.com/YosysHQ/picorv32

4
hw/application_fpga/Makefile
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@ -33,12 +33,12 @@ OBJCOPY ?= llvm-objcopy
CC = clang
CFLAGS = -target riscv32-unknown-none-elf -march=rv32imc -mabi=ilp32 \
CFLAGS = -target riscv32-unknown-none-elf -march=rv32iczmmul -mabi=ilp32 \
-static -std=gnu99 -Os -ffast-math -fno-common -fno-builtin-printf \
-fno-builtin-putchar -nostdlib -mno-relax -Wall -flto -DNOCONSOLE
AS = clang
ASFLAGS = -target riscv32-unknown-none-elf -march=rv32imc -mabi=ilp32 -mno-relax
ASFLAGS = -target riscv32-unknown-none-elf -march=rv32iczmmul -mabi=ilp32 -mno-relax
ICE40_SIM_CELLS = $(shell yosys-config --datdir/ice40/cells_sim.v)