Use Zbb (basic bitmanip) target feature (-1008 bytes)

The VeeR core supports the Zbb RISC-V extension. By telling LLVM to use these instructions, we can shave 1008 bytes off the size of the ROM.
clundin25 · May 24, 2023 · 94eed29 · 94eed29
1 parent 7454ee6
commit 94eed29
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/.cargo/config b/.cargo/config
@@ -2,4 +2,5 @@
 rustflags = [
   "-C", "target-feature=+relax",
   "-C", "target-feature=+unaligned-scalar-mem",
+  "-C", "target-feature=+zbb",
 ]