[flang-commits] [flang] e73a64b - [flang][NFC] Document Arm exception raising behavior (#125579)

[via flang-commits]

Author: vdonaldson
Date: 2025-02-04T09:54:33-05:00
New Revision: e73a64bbd1733347a2c30e8fb93079b4aa41187a

URL: https://github.com/llvm/llvm-project/commit/e73a64bbd1733347a2c30e8fb93079b4aa41187a
DIFF: https://github.com/llvm/llvm-project/commit/e73a64bbd1733347a2c30e8fb93079b4aa41187a.diff

LOG: [flang][NFC] Document Arm exception raising behavior (#125579)

Added: 
    

Modified: 
    flang/docs/Extensions.md

Removed: 
    


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diff  --git a/flang/docs/Extensions.md b/flang/docs/Extensions.md
index e84bceee5ca7c7..ffb7e90eff919b 100644
--- a/flang/docs/Extensions.md
+++ b/flang/docs/Extensions.md
@@ -141,6 +141,10 @@ end
   This interpretation has usability advantages and is what six other
   Fortran compilers do, but is not conforming now that J3 approved an
   "interp" in June 2024 to the contrary.
+* When an Arm processor raises an `ieee_overflow` or `ieee_underflow`
+  exception, the `ieee_inexact` exception is also raised. This happens
+  for a call to `ieee_set_flag` as well as for floating point expression
+  evaluation.
 * Arm has processors that allow a user to control what happens when an
   arithmetic exception is signaled, as well as processors that do not
   have this capability. An Arm executable will run on either type of