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cargo: go back to target-cpu=cortex-m4 

Appears to give better code.
Test by matthusagh.
This commit is contained in:
Robert Jördens 2020-12-10 17:53:45 +01:00
parent 72b7e72040
commit de304c503b
1 changed files with 1 additions and 1 deletions
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.cargo/config
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@ -5,7 +5,7 @@ rustflags = [
# The target (below) defaults to cortex-m4 # The target (below) defaults to cortex-m4
# There currently are two different options to go beyond that: # There currently are two different options to go beyond that:
# 1. cortex-m7 has the right flags and instructions (FPU) but no instruction schedule yet # 1. cortex-m7 has the right flags and instructions (FPU) but no instruction schedule yet
"-C", "target-cpu=cortex-m7", # "-C", "target-cpu=cortex-m7",
# 2. cortex-m4 with the additional fpv5 instructions and a potentially # 2. cortex-m4 with the additional fpv5 instructions and a potentially
# better-than-nothing instruction schedule # better-than-nothing instruction schedule
"-C", "target-feature=+fp-armv8d16", "-C", "target-feature=+fp-armv8d16",