On Thursday 10 November 2011 21:01:37 Macpaul Lin wrote: > 2011/11/11 Mike Frysinger: > > so the ISA version only affects the generated libraries right ? i can > > still use any of the compilers to output any ISA version ? > > Unfortunately, wrong. > > ISA will affect the assembly and binary patterns, also some basic > stack operation.
right, which is why gcc ports have options like -march=, -mcpu=, -mtune=, etc... this way you only need 1 gcc to support all these different ISAs. nds32le-linux-gcc -march=v0 -c ...... nds32le-linux-gcc -march=v1 -c ...... nds32le-linux-gcc -march=v1f -c ...... what i meant was that you don't have to configure gcc for a specific ISA. -mike
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