tinygo/targets/cortex-m3.json
Ayke van Laethem 29206cf0a4 targets: add CPU property everywhere
This is for consistency with Clang, which always adds a CPU flag even if
it's not specified in CFLAGS.

This commit also adds some tests to make sure the Clang target-cpu
matches the CPU property in the JSON files.

This does have an effect on the generated binaries. The effect is very
small though: on average just 0.2% increase in binary size, apparently
because Cortex-M3 and Cortex-M4 are compiled a bit differently. However,
when rebased on top of https://github.com/tinygo-org/tinygo/pull/2218
(minsize), the difference drops to -0.1% (a slight decrease on average).
2021-11-03 23:03:44 +01:00

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JSON

{
"inherits": ["cortex-m"],
"llvm-target": "armv7m-unknown-unknown-eabi",
"cpu": "cortex-m3"
}