[EXT_EP-7748] struct field in register is not sign-extended to 32 bits before 32-bit compare - Software Issue Report (SIR)

XML

Word

Printable

Product:
Code Generation Tools
Internal ID:
CODEGEN-1271
OldID:
SDSCM00052864
Forum URL:
https://e2e.ti.com/support/development_tools/compiler/f/343/t/504384
Found In Release:

Hide
C6000_8.1.0
ARM_15.12.0.LTS
ARM_5.2.0

Show
C6000_8.1.0 ARM_15.12.0.LTS ARM_5.2.0
Fix In Release:

Hide
ARM_5.2.8
C6000_8.1.2
ARM_15.12.4.LTS

Show
ARM_5.2.8 C6000_8.1.2 ARM_15.12.4.LTS
Workaround:
Declare the local struct as volatile
Release Notes:

Hide
The compiler can place small structs in registers for fast access. In this case, the compiler fails to sign-extend a 16-bit struct member to 32-bits before a 32-bit comparison. This can happen for structs 32 bits or less, with any integer field 16 bits or less.

Show
The compiler can place small structs in registers for fast access. In this case, the compiler fails to sign-extend a 16-bit struct member to 32-bits before a 32-bit comparison. This can happen for structs 32 bits or less, with any integer field 16 bits or less.

struct field in register is not sign-extended to 32 bits before 32-bit compare