Mercurial > hg > aarch64-jdk8u51-b16-hotspot
changeset 8156:3edb9da05f94
8071731: Better scaling for C1
Reviewed-by: kvn, iveresov
author | roland |
---|---|
date | Mon, 09 Mar 2015 09:59:53 +0100 |
parents | 9030d57ba158 |
children | a41341e51f0b |
files | src/share/vm/c1/c1_LIRGenerator.cpp |
diffstat | 1 files changed, 9 insertions(+), 1 deletions(-) [+] |
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--- a/src/share/vm/c1/c1_LIRGenerator.cpp Wed Jan 28 21:43:06 2015 +0000 +++ b/src/share/vm/c1/c1_LIRGenerator.cpp Mon Mar 09 09:59:53 2015 +0100 @@ -2204,7 +2204,15 @@ if (log2_scale != 0) { // temporary fix (platform dependent code without shift on Intel would be better) // TODO: ARM also allows embedded shift in the address - __ shift_left(index_op, log2_scale, index_op); + LIR_Opr tmp = new_pointer_register(); + if (TwoOperandLIRForm) { + __ move(index_op, tmp); + index_op = tmp; + } + __ shift_left(index_op, log2_scale, tmp); + if (!TwoOperandLIRForm) { + index_op = tmp; + } } LIR_Address* addr = new LIR_Address(base_op, index_op, x->basic_type());