arch/risc-v: Remove unneeded kconfigs #5092
Merged
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
CONFIG_RV32IM_HW_MULDIV can be safely removed since this behavior is controlled by M extension. Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
no1wudi
changed the title
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Summary
CONFIG_RV32IM_HW_MULDIV can be safely removed since this behavior is
controlled by M extension.
See gcc manual: https://gcc.gnu.org/onlinedocs/gcc-11.2.0/gcc/RISC-V-Options.html#RISC-V-Options
-mdiv
-mno-div
Do or don’t use hardware instructions for integer division. This requires the M extension. The default is to use them if the specified architecture has these instructions.
Impact
Refactor only.
Testing
CI and rv32-virt