I'm revisiting something I worked on a few years ago where I worked through LFS 7.7 on a i586 device that lacks CMOV. There are -march options for 'no MMX', but nothing for 'no CMOV'. Where in the GCC source are those defined and can I create one for 'no CMOV' before I start building /tools
I am fully aware that other OSS packages could use CMOV with inline assembly. I'm just wanting GCC to forget it even exists when it tries to implement CMOV during -03 optimization. /proc/cpuinfo: processor : 0 vendor_id : Genuine RDC cpu family : 5 model : 8 model name : 05/08 stepping : 6 cpu MHz : 1000.136 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu tsc cx8 mmx up bogomips : 2000.27 clflush size : 32 cache_alignment : 32 address sizes : 32 bits physical, 32 bits virtual
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