Mercurial > hg > truffle

comparison src/cpu/sparc/vm/assembler_sparc.hpp @ 3892:baf763f388e6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
7059037: Use BIS for zeroing on T4 Summary: Use BIS for zeroing new allocated big (2Kb and more) objects and arrays. Reviewed-by: never, twisti, ysr
author kvn
date Fri, 26 Aug 2011 08:52:22 -0700
parents 1af104d6cf99
children d968f546734e
comparison
equal deleted inserted replaced
3891:ac8738449b6f 3892:baf763f388e6
883 static bool is_in_wdisp30_range(address a, address b) { 883 static bool is_in_wdisp30_range(address a, address b) {
884 return is_in_wdisp_range(a, b, 30); 884 return is_in_wdisp_range(a, b, 30);
885 } 885 }
886 886
887 enum ASIs { // page 72, v9 887 enum ASIs { // page 72, v9
888 ASI_PRIMARY = 0x80, 888 ASI_PRIMARY = 0x80,
889 ASI_PRIMARY_LITTLE = 0x88, 889 ASI_PRIMARY_NOFAULT = 0x82,
890 ASI_PRIMARY_LITTLE = 0x88,
890 // Block initializing store 891 // Block initializing store
891 ASI_ST_BLKINIT_PRIMARY = 0xE2, 892 ASI_ST_BLKINIT_PRIMARY = 0xE2,
892 // Most-Recently-Used (MRU) BIS variant 893 // Most-Recently-Used (MRU) BIS variant
893 ASI_ST_BLKINIT_MRU_PRIMARY = 0xF2 894 ASI_ST_BLKINIT_MRU_PRIMARY = 0xF2
894 // add more from book as needed 895 // add more from book as needed
1784 inline void wrccr(Register s) { v9_only(); emit_long( op(arith_op) | rs1(s) | op3(wrreg_op3) | u_field(2, 29, 25)); } 1785 inline void wrccr(Register s) { v9_only(); emit_long( op(arith_op) | rs1(s) | op3(wrreg_op3) | u_field(2, 29, 25)); }
1785 inline void wrccr(Register s, int simm13a) { v9_only(); emit_long( op(arith_op) | 1786 inline void wrccr(Register s, int simm13a) { v9_only(); emit_long( op(arith_op) |
1786 rs1(s) | 1787 rs1(s) |
1787 op3(wrreg_op3) | 1788 op3(wrreg_op3) |
1788 u_field(2, 29, 25) | 1789 u_field(2, 29, 25) |
1789 u_field(1, 13, 13) | 1790 immed(true) |
1790 simm(simm13a, 13)); } 1791 simm(simm13a, 13)); }
1791 inline void wrasi( Register d) { v9_only(); emit_long( op(arith_op) | rs1(d) | op3(wrreg_op3) | u_field(3, 29, 25)); } 1792 inline void wrasi(Register d) { v9_only(); emit_long( op(arith_op) | rs1(d) | op3(wrreg_op3) | u_field(3, 29, 25)); }
1793 // wrasi(d, imm) stores (d xor imm) to asi
1794 inline void wrasi(Register d, int simm13a) { v9_only(); emit_long( op(arith_op) | rs1(d) | op3(wrreg_op3) |
1795 u_field(3, 29, 25) | immed(true) | simm(simm13a, 13)); }
1792 inline void wrfprs( Register d) { v9_only(); emit_long( op(arith_op) | rs1(d) | op3(wrreg_op3) | u_field(6, 29, 25)); } 1796 inline void wrfprs( Register d) { v9_only(); emit_long( op(arith_op) | rs1(d) | op3(wrreg_op3) | u_field(6, 29, 25)); }
1793 1797
1794 1798
1795 // VIS3 instructions 1799 // VIS3 instructions
1796 1800
2629 2633
2630 // Compare char[] arrays aligned to 4 bytes. 2634 // Compare char[] arrays aligned to 4 bytes.
2631 void char_arrays_equals(Register ary1, Register ary2, 2635 void char_arrays_equals(Register ary1, Register ary2,
2632 Register limit, Register result, 2636 Register limit, Register result,
2633 Register chr1, Register chr2, Label& Ldone); 2637 Register chr1, Register chr2, Label& Ldone);
2638 // Use BIS for zeroing
2639 void bis_zeroing(Register to, Register count, Register temp, Label& Ldone);
2634 2640
2635 #undef VIRTUAL 2641 #undef VIRTUAL
2636 2642
2637 }; 2643 };
2638 2644