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| author | Jorge Aparicio <japaricious@gmail.com> | 2016-10-03 22:34:33 -0500 |
|---|---|---|
| committer | Jorge Aparicio <japaricious@gmail.com> | 2016-10-03 22:34:33 -0500 |
| commit | 470eff75df9184f3cc497fc8451f5ed558df3c30 (patch) | |
| tree | 4ac5d88c37a4fb59bafd698a82b63fcc55d702ee | |
| parent | cbc56f16b48f4d7ae9a77be4b9b51a5212c8b435 (diff) | |
| download | rust-470eff75df9184f3cc497fc8451f5ed558df3c30.tar.gz rust-470eff75df9184f3cc497fc8451f5ed558df3c30.zip | |
add a reference about the stated FP facts
| -rw-r--r-- | src/librustc_back/target/thumbv7em_none_eabihf.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/librustc_back/target/thumbv7em_none_eabihf.rs b/src/librustc_back/target/thumbv7em_none_eabihf.rs index 74bb9915e68..b695674aada 100644 --- a/src/librustc_back/target/thumbv7em_none_eabihf.rs +++ b/src/librustc_back/target/thumbv7em_none_eabihf.rs @@ -38,6 +38,9 @@ pub fn target() -> TargetResult { // available // `+fp-only-sp` The Cortex-M4 only supports single precision floating point operations // whereas in the Cortex-M7 double precision is optional + // + // Reference: + // ARMv7-M Architecture Reference Manual - A2.5 The optional floating-point extension features: "+vfp4,+d16,+fp-only-sp".to_string(), max_atomic_width: 32, .. super::thumb_base::opts() |