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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:

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C6000_8.1.0
ARM_15.12.0.LTS
ARM_5.2.0

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

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ARM_5.2.8
C6000_8.1.2
ARM_15.12.4.LTS

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

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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.

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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