diff options
| -rw-r--r-- | src/librustc_back/target/msp430_none_elf.rs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/librustc_back/target/msp430_none_elf.rs b/src/librustc_back/target/msp430_none_elf.rs index 509a7cf5e03..966df897f01 100644 --- a/src/librustc_back/target/msp430_none_elf.rs +++ b/src/librustc_back/target/msp430_none_elf.rs @@ -53,6 +53,12 @@ pub fn target() -> TargetResult { // don't want to invoke that many gcc instances. default_codegen_units: Some(1), + // Since MSP430 doesn't meaningfully support faulting on illegal + // instructions, LLVM generates a call to abort() function instead + // of a trap instruction. Such calls are 4 bytes long, and that is + // too much overhead for such small target. + trap_unreachable: false, + .. Default::default( ) } }) |