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6708714: Optimize long LShift on 32-bits x86 Summary: For small (1-3 bits) left long shifts in 32-bits VM use sets of add+addc instructions instead of shld+shl on new AMD cpus. Reviewed-by: never Contributed-by: shrinivas.joshi@amd.com
author kvn
date Mon, 23 Jun 2008 14:11:12 -0700
parents a294fd0c4b38
children
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os_family = linux

arch = x86

arch_model = x86_32

os_arch = linux_x86

os_arch_model = linux_x86_32

lib_arch = i386

compiler = sparcWorks

gnu_dis_arch = i386

sysdefs = -DLINUX -DSPARC_WORKS -D_GNU_SOURCE -DIA32