GNU Arm Embedded Toolchain

  1. Bug #1819743
  2. Comment #0

Comment 0 for bug 1819743

Revision history for this message
Dominic Plunkett (dp111) wrote :

If you have an area of memory which is greater than 2Gbytes with a start and end pointers. Then if you do end -start
the compiler generates a signed shift right ASR and thus bit 31 stays set. The compiler needs to check for a carry from the subtraction and either do ASR #2 or LSR #2

See below for an example.

https://godbolt.org/z/iVE4J5