rdtscp clobbers %rcx - Githubissues

janestreet / core_extended

Jane Street Capital's standard library overlay

MIT License

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rdtscp clobbers %rcx #9

Closed softminus closed 8 years ago

softminus commented 8 years ago

the asm stanza in the rdtscp stub should specify that %rcx is clobbered by the rdtscp instruction (see page 113 of Intel 64 and IA-32 Architectures Software Developer’s Manual)

ghost commented 8 years ago

Thanks, I submitted a feature for review internally

ghost commented 8 years ago

Fixed by d333da7b49918e2bbb4c62bc20bd1566e25dc69f