Mercurial > hg > truffle
comparison src/cpu/sparc/vm/macroAssembler_sparc.cpp @ 17980:0bf37f737702
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
Summary: make compiled code bang the stack by the worst case size of the interpreter frame at deoptimization points.
Reviewed-by: twisti, kvn
| author | roland |
|---|---|
| date | Tue, 01 Apr 2014 09:36:49 +0200 |
| parents | be525e91f65b |
| children |
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| 17978:ad51f24671c2 | 17980:0bf37f737702 |
|---|---|
| 3529 // At this point, (tmp-0) is the last address touched, so don't | 3529 // At this point, (tmp-0) is the last address touched, so don't |
| 3530 // touch it again. (It was touched as (tmp-pagesize) but then tmp | 3530 // touch it again. (It was touched as (tmp-pagesize) but then tmp |
| 3531 // was post-decremented.) Skip this address by starting at i=1, and | 3531 // was post-decremented.) Skip this address by starting at i=1, and |
| 3532 // touch a few more pages below. N.B. It is important to touch all | 3532 // touch a few more pages below. N.B. It is important to touch all |
| 3533 // the way down to and including i=StackShadowPages. | 3533 // the way down to and including i=StackShadowPages. |
| 3534 for (int i = 1; i <= StackShadowPages; i++) { | 3534 for (int i = 1; i < StackShadowPages; i++) { |
| 3535 set((-i*offset)+STACK_BIAS, Rscratch); | 3535 set((-i*offset)+STACK_BIAS, Rscratch); |
| 3536 st(G0, Rtsp, Rscratch); | 3536 st(G0, Rtsp, Rscratch); |
| 3537 } | 3537 } |
| 3538 } | 3538 } |
| 3539 | 3539 |