Overkeen Optimisation of Volatile variable

I have ported some code to an 8051 based processor using Keil C51 v7.06 (from Cosmic for ST7). The code worked fine with Cosmic, and indeed nearly all of it works with C51. One area is causing trouble...
Overkeen Optimisation of Volatile variable

I have ported some code to an 8051 based processor using Keil C51 v7.06 (from Cosmic for ST7). The code worked fine with Cosmic, and indeed nearly all of it works with C51. One area is causing trouble...
Linker problem with gcc toolchain and optimisation

Hi, i'm using a an lpc2119 device with gcc toolchain. everything works fine, except when i set the optimisation level to anything other than -O0 (ie i try to apply any form of optimisation) then...
Linker problem with gcc toolchain and optimisation

Hi, i'm using a an lpc2119 device with gcc toolchain. everything works fine, except when i set the optimisation level to anything other than -O0 (ie i try to apply any form of optimisation) then...
how to use volatile ,and why to use volatile ,and where we shoud use volatile !

thank you ! my friends!