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comparison src/cpu/sparc/vm/assembler_sparc.hpp @ 1848:c393f046f4c5

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6991512: G1 barriers fail with 64bit C1 Summary: Fix compare-and-swap intrinsic problem with G1 post-barriers and issue with branch ranges in G1 stubs on sparc Reviewed-by: never, kvn
author iveresov
date Tue, 12 Oct 2010 23:51:20 -0700
parents d55217dc206f
children fff777a71346
comparison
equal deleted inserted replaced
1847:a932f331ef90 1848:c393f046f4c5
823 static bool is_simm(int x, int nbits) { return -( 1 << nbits-1 ) <= x && x < ( 1 << nbits-1 ); } 823 static bool is_simm(int x, int nbits) { return -( 1 << nbits-1 ) <= x && x < ( 1 << nbits-1 ); }
824 824
825 // test if -4096 <= x <= 4095 825 // test if -4096 <= x <= 4095
826 static bool is_simm13(int x) { return is_simm(x, 13); } 826 static bool is_simm13(int x) { return is_simm(x, 13); }
827 827
828 // test if label is in simm16 range in words (wdisp16).
829 bool is_in_wdisp16_range(Label& L) {
830 intptr_t d = intptr_t(pc()) - intptr_t(target(L));
831 return is_simm(d, 18);
832 }
833
828 enum ASIs { // page 72, v9 834 enum ASIs { // page 72, v9
829 ASI_PRIMARY = 0x80, 835 ASI_PRIMARY = 0x80,
830 ASI_PRIMARY_LITTLE = 0x88 836 ASI_PRIMARY_LITTLE = 0x88
831 // add more from book as needed 837 // add more from book as needed
832 }; 838 };