Gang-Ryung Uh <uh18104@xxxxxxxxx> writes: > It appears that gcc seems to generate code to make > %esp aligned > in 16bytes boundary. If this correct, then what is the > benefit in > x86. Why 2 words boundary? Targeting for I64? Are > there any > x86 instructions to exploit such alighment to reduce > the > function call overhead or context switch? See the documentation for the -mpreferred-stack-boundary option. Ian
