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sparc64: Convert NG2copy_{from,to}_user to accurate exception reporting.
Report the exact number of bytes which have not been successfully copied when an exception occurs, using the running remaining length. Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
parent
7ae3aaf53f
commit
e93704e446
@ -3,19 +3,19 @@
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* Copyright (C) 2007 David S. Miller (davem@davemloft.net)
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*/
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#define EX_LD(x) \
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#define EX_LD(x,y) \
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98: x; \
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.section __ex_table,"a";\
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.align 4; \
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.word 98b, __retl_mone_asi;\
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.word 98b, y; \
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.text; \
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.align 4;
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#define EX_LD_FP(x) \
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#define EX_LD_FP(x,y) \
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98: x; \
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.section __ex_table,"a";\
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.align 4; \
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.word 98b, __retl_mone_asi_fp;\
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.word 98b, y##_fp; \
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.text; \
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.align 4;
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@ -3,19 +3,19 @@
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* Copyright (C) 2007 David S. Miller (davem@davemloft.net)
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*/
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#define EX_ST(x) \
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#define EX_ST(x,y) \
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98: x; \
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.section __ex_table,"a";\
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.align 4; \
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.word 98b, __retl_mone_asi;\
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.word 98b, y; \
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.text; \
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.align 4;
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#define EX_ST_FP(x) \
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#define EX_ST_FP(x,y) \
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98: x; \
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.section __ex_table,"a";\
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.align 4; \
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.word 98b, __retl_mone_asi_fp;\
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.word 98b, y##_fp; \
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.text; \
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.align 4;
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@ -4,6 +4,7 @@
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*/
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#ifdef __KERNEL__
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#include <linux/linkage.h>
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#include <asm/visasm.h>
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#include <asm/asi.h>
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#define GLOBAL_SPARE %g7
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@ -32,21 +33,17 @@
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#endif
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#ifndef EX_LD
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#define EX_LD(x) x
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#define EX_LD(x,y) x
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#endif
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#ifndef EX_LD_FP
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#define EX_LD_FP(x) x
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#define EX_LD_FP(x,y) x
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#endif
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#ifndef EX_ST
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#define EX_ST(x) x
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#define EX_ST(x,y) x
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#endif
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#ifndef EX_ST_FP
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#define EX_ST_FP(x) x
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#endif
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#ifndef EX_RETVAL
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#define EX_RETVAL(x) x
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#define EX_ST_FP(x,y) x
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#endif
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#ifndef LOAD
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@ -140,45 +137,110 @@
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fsrc2 %x6, %f12; \
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fsrc2 %x7, %f14;
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#define FREG_LOAD_1(base, x0) \
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EX_LD_FP(LOAD(ldd, base + 0x00, %x0))
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EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1)
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#define FREG_LOAD_2(base, x0, x1) \
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EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \
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EX_LD_FP(LOAD(ldd, base + 0x08, %x1));
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EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1);
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#define FREG_LOAD_3(base, x0, x1, x2) \
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EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \
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EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \
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EX_LD_FP(LOAD(ldd, base + 0x10, %x2));
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EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1);
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#define FREG_LOAD_4(base, x0, x1, x2, x3) \
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EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \
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EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \
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EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); \
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EX_LD_FP(LOAD(ldd, base + 0x18, %x3));
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EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x18, %x3), NG2_retl_o2_plus_g1);
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#define FREG_LOAD_5(base, x0, x1, x2, x3, x4) \
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EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \
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EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \
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EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); \
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EX_LD_FP(LOAD(ldd, base + 0x18, %x3)); \
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EX_LD_FP(LOAD(ldd, base + 0x20, %x4));
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EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x18, %x3), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x20, %x4), NG2_retl_o2_plus_g1);
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#define FREG_LOAD_6(base, x0, x1, x2, x3, x4, x5) \
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EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \
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EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \
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EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); \
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EX_LD_FP(LOAD(ldd, base + 0x18, %x3)); \
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EX_LD_FP(LOAD(ldd, base + 0x20, %x4)); \
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EX_LD_FP(LOAD(ldd, base + 0x28, %x5));
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EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x18, %x3), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x20, %x4), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x28, %x5), NG2_retl_o2_plus_g1);
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#define FREG_LOAD_7(base, x0, x1, x2, x3, x4, x5, x6) \
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EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \
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EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \
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EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); \
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EX_LD_FP(LOAD(ldd, base + 0x18, %x3)); \
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EX_LD_FP(LOAD(ldd, base + 0x20, %x4)); \
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EX_LD_FP(LOAD(ldd, base + 0x28, %x5)); \
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EX_LD_FP(LOAD(ldd, base + 0x30, %x6));
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EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x18, %x3), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x20, %x4), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x28, %x5), NG2_retl_o2_plus_g1); \
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EX_LD_FP(LOAD(ldd, base + 0x30, %x6), NG2_retl_o2_plus_g1);
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.register %g2,#scratch
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.register %g3,#scratch
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.text
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#ifndef EX_RETVAL
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#define EX_RETVAL(x) x
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__restore_fp:
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VISExitHalf
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__restore_asi:
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retl
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wr %g0, ASI_AIUS, %asi
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ENTRY(NG2_retl_o2)
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ba,pt %xcc, __restore_asi
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mov %o2, %o0
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ENDPROC(NG2_retl_o2)
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ENTRY(NG2_retl_o2_plus_1)
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ba,pt %xcc, __restore_asi
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add %o2, 1, %o0
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ENDPROC(NG2_retl_o2_plus_1)
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ENTRY(NG2_retl_o2_plus_4)
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ba,pt %xcc, __restore_asi
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add %o2, 4, %o0
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ENDPROC(NG2_retl_o2_plus_4)
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ENTRY(NG2_retl_o2_plus_8)
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ba,pt %xcc, __restore_asi
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add %o2, 8, %o0
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ENDPROC(NG2_retl_o2_plus_8)
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ENTRY(NG2_retl_o2_plus_o4_plus_1)
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add %o4, 1, %o4
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ba,pt %xcc, __restore_asi
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add %o2, %o4, %o0
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ENDPROC(NG2_retl_o2_plus_o4_plus_1)
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ENTRY(NG2_retl_o2_plus_o4_plus_8)
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add %o4, 8, %o4
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ba,pt %xcc, __restore_asi
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add %o2, %o4, %o0
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ENDPROC(NG2_retl_o2_plus_o4_plus_8)
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ENTRY(NG2_retl_o2_plus_o4_plus_16)
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add %o4, 16, %o4
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ba,pt %xcc, __restore_asi
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add %o2, %o4, %o0
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ENDPROC(NG2_retl_o2_plus_o4_plus_16)
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ENTRY(NG2_retl_o2_plus_g1_fp)
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ba,pt %xcc, __restore_fp
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add %o2, %g1, %o0
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ENDPROC(NG2_retl_o2_plus_g1_fp)
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ENTRY(NG2_retl_o2_plus_g1_plus_64_fp)
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add %g1, 64, %g1
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ba,pt %xcc, __restore_fp
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add %o2, %g1, %o0
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ENDPROC(NG2_retl_o2_plus_g1_plus_64_fp)
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ENTRY(NG2_retl_o2_plus_g1_plus_1)
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add %g1, 1, %g1
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ba,pt %xcc, __restore_asi
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add %o2, %g1, %o0
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ENDPROC(NG2_retl_o2_plus_g1_plus_1)
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ENTRY(NG2_retl_o2_and_7_plus_o4)
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and %o2, 7, %o2
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ba,pt %xcc, __restore_asi
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add %o2, %o4, %o0
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ENDPROC(NG2_retl_o2_and_7_plus_o4)
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ENTRY(NG2_retl_o2_and_7_plus_o4_plus_8)
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and %o2, 7, %o2
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add %o4, 8, %o4
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ba,pt %xcc, __restore_asi
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add %o2, %o4, %o0
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ENDPROC(NG2_retl_o2_and_7_plus_o4_plus_8)
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#endif
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.align 64
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.globl FUNC_NAME
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@ -230,8 +292,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
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sub %g0, %o4, %o4 ! bytes to align dst
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sub %o2, %o4, %o2
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1: subcc %o4, 1, %o4
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EX_LD(LOAD(ldub, %o1, %g1))
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EX_ST(STORE(stb, %g1, %o0))
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EX_LD(LOAD(ldub, %o1, %g1), NG2_retl_o2_plus_o4_plus_1)
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EX_ST(STORE(stb, %g1, %o0), NG2_retl_o2_plus_o4_plus_1)
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add %o1, 1, %o1
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bne,pt %XCC, 1b
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add %o0, 1, %o0
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@ -281,11 +343,11 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
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nop
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/* fall through for 0 < low bits < 8 */
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110: sub %o4, 64, %g2
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EX_LD_FP(LOAD_BLK(%g2, %f0))
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1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
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EX_LD_FP(LOAD_BLK(%o4, %f16))
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EX_LD_FP(LOAD_BLK(%g2, %f0), NG2_retl_o2_plus_g1)
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1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
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EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
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FREG_FROB(f0, f2, f4, f6, f8, f10, f12, f14, f16)
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EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
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EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
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FREG_MOVE_8(f16, f18, f20, f22, f24, f26, f28, f30)
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subcc %g1, 64, %g1
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add %o4, 64, %o4
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@ -296,10 +358,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
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120: sub %o4, 56, %g2
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FREG_LOAD_7(%g2, f0, f2, f4, f6, f8, f10, f12)
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1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
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EX_LD_FP(LOAD_BLK(%o4, %f16))
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1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
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EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
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FREG_FROB(f0, f2, f4, f6, f8, f10, f12, f16, f18)
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EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
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EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
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FREG_MOVE_7(f18, f20, f22, f24, f26, f28, f30)
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subcc %g1, 64, %g1
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add %o4, 64, %o4
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@ -310,10 +372,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
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130: sub %o4, 48, %g2
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FREG_LOAD_6(%g2, f0, f2, f4, f6, f8, f10)
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1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
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EX_LD_FP(LOAD_BLK(%o4, %f16))
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1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
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EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
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FREG_FROB(f0, f2, f4, f6, f8, f10, f16, f18, f20)
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EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
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EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
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FREG_MOVE_6(f20, f22, f24, f26, f28, f30)
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subcc %g1, 64, %g1
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add %o4, 64, %o4
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@ -324,10 +386,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
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140: sub %o4, 40, %g2
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FREG_LOAD_5(%g2, f0, f2, f4, f6, f8)
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1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
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EX_LD_FP(LOAD_BLK(%o4, %f16))
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1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
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EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
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FREG_FROB(f0, f2, f4, f6, f8, f16, f18, f20, f22)
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EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
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EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
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FREG_MOVE_5(f22, f24, f26, f28, f30)
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subcc %g1, 64, %g1
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add %o4, 64, %o4
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@ -338,10 +400,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
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150: sub %o4, 32, %g2
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FREG_LOAD_4(%g2, f0, f2, f4, f6)
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1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
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EX_LD_FP(LOAD_BLK(%o4, %f16))
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1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
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EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
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FREG_FROB(f0, f2, f4, f6, f16, f18, f20, f22, f24)
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EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
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EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
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FREG_MOVE_4(f24, f26, f28, f30)
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subcc %g1, 64, %g1
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add %o4, 64, %o4
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@ -352,10 +414,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
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160: sub %o4, 24, %g2
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FREG_LOAD_3(%g2, f0, f2, f4)
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1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
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EX_LD_FP(LOAD_BLK(%o4, %f16))
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1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
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||||
EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
|
||||
FREG_FROB(f0, f2, f4, f16, f18, f20, f22, f24, f26)
|
||||
EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
|
||||
EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
|
||||
FREG_MOVE_3(f26, f28, f30)
|
||||
subcc %g1, 64, %g1
|
||||
add %o4, 64, %o4
|
||||
@ -366,10 +428,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
|
||||
|
||||
170: sub %o4, 16, %g2
|
||||
FREG_LOAD_2(%g2, f0, f2)
|
||||
1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
|
||||
EX_LD_FP(LOAD_BLK(%o4, %f16))
|
||||
1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
|
||||
EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
|
||||
FREG_FROB(f0, f2, f16, f18, f20, f22, f24, f26, f28)
|
||||
EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
|
||||
EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
|
||||
FREG_MOVE_2(f28, f30)
|
||||
subcc %g1, 64, %g1
|
||||
add %o4, 64, %o4
|
||||
@ -380,10 +442,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
|
||||
|
||||
180: sub %o4, 8, %g2
|
||||
FREG_LOAD_1(%g2, f0)
|
||||
1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
|
||||
EX_LD_FP(LOAD_BLK(%o4, %f16))
|
||||
1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
|
||||
EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
|
||||
FREG_FROB(f0, f16, f18, f20, f22, f24, f26, f28, f30)
|
||||
EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
|
||||
EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
|
||||
FREG_MOVE_1(f30)
|
||||
subcc %g1, 64, %g1
|
||||
add %o4, 64, %o4
|
||||
@ -393,10 +455,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
|
||||
nop
|
||||
|
||||
190:
|
||||
1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
|
||||
1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
|
||||
subcc %g1, 64, %g1
|
||||
EX_LD_FP(LOAD_BLK(%o4, %f0))
|
||||
EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
|
||||
EX_LD_FP(LOAD_BLK(%o4, %f0), NG2_retl_o2_plus_g1_plus_64)
|
||||
EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1_plus_64)
|
||||
add %o4, 64, %o4
|
||||
bne,pt %xcc, 1b
|
||||
LOAD(prefetch, %o4 + 64, #one_read)
|
||||
@ -423,28 +485,28 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
|
||||
andn %o2, 0xf, %o4
|
||||
and %o2, 0xf, %o2
|
||||
1: subcc %o4, 0x10, %o4
|
||||
EX_LD(LOAD(ldx, %o1, %o5))
|
||||
EX_LD(LOAD(ldx, %o1, %o5), NG2_retl_o2_plus_o4_plus_16)
|
||||
add %o1, 0x08, %o1
|
||||
EX_LD(LOAD(ldx, %o1, %g1))
|
||||
EX_LD(LOAD(ldx, %o1, %g1), NG2_retl_o2_plus_o4_plus_16)
|
||||
sub %o1, 0x08, %o1
|
||||
EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPARE))
|
||||
EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_o4_plus_16)
|
||||
add %o1, 0x8, %o1
|
||||
EX_ST(STORE(stx, %g1, %o1 + GLOBAL_SPARE))
|
||||
EX_ST(STORE(stx, %g1, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_o4_plus_8)
|
||||
bgu,pt %XCC, 1b
|
||||
add %o1, 0x8, %o1
|
||||
73: andcc %o2, 0x8, %g0
|
||||
be,pt %XCC, 1f
|
||||
nop
|
||||
sub %o2, 0x8, %o2
|
||||
EX_LD(LOAD(ldx, %o1, %o5))
|
||||
EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPARE))
|
||||
EX_LD(LOAD(ldx, %o1, %o5), NG2_retl_o2_plus_8)
|
||||
EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_8)
|
||||
add %o1, 0x8, %o1
|
||||
1: andcc %o2, 0x4, %g0
|
||||
be,pt %XCC, 1f
|
||||
nop
|
||||
sub %o2, 0x4, %o2
|
||||
EX_LD(LOAD(lduw, %o1, %o5))
|
||||
EX_ST(STORE(stw, %o5, %o1 + GLOBAL_SPARE))
|
||||
EX_LD(LOAD(lduw, %o1, %o5), NG2_retl_o2_plus_4)
|
||||
EX_ST(STORE(stw, %o5, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_4)
|
||||
add %o1, 0x4, %o1
|
||||
1: cmp %o2, 0
|
||||
be,pt %XCC, 85f
|
||||
@ -460,8 +522,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
|
||||
sub %o2, %g1, %o2
|
||||
|
||||
1: subcc %g1, 1, %g1
|
||||
EX_LD(LOAD(ldub, %o1, %o5))
|
||||
EX_ST(STORE(stb, %o5, %o1 + GLOBAL_SPARE))
|
||||
EX_LD(LOAD(ldub, %o1, %o5), NG2_retl_o2_plus_g1_plus_1)
|
||||
EX_ST(STORE(stb, %o5, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_g1_plus_1)
|
||||
bgu,pt %icc, 1b
|
||||
add %o1, 1, %o1
|
||||
|
||||
@ -477,16 +539,16 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
|
||||
|
||||
8: mov 64, GLOBAL_SPARE
|
||||
andn %o1, 0x7, %o1
|
||||
EX_LD(LOAD(ldx, %o1, %g2))
|
||||
EX_LD(LOAD(ldx, %o1, %g2), NG2_retl_o2)
|
||||
sub GLOBAL_SPARE, %g1, GLOBAL_SPARE
|
||||
andn %o2, 0x7, %o4
|
||||
sllx %g2, %g1, %g2
|
||||
1: add %o1, 0x8, %o1
|
||||
EX_LD(LOAD(ldx, %o1, %g3))
|
||||
EX_LD(LOAD(ldx, %o1, %g3), NG2_retl_o2_and_7_plus_o4)
|
||||
subcc %o4, 0x8, %o4
|
||||
srlx %g3, GLOBAL_SPARE, %o5
|
||||
or %o5, %g2, %o5
|
||||
EX_ST(STORE(stx, %o5, %o0))
|
||||
EX_ST(STORE(stx, %o5, %o0), NG2_retl_o2_and_7_plus_o4_plus_8)
|
||||
add %o0, 0x8, %o0
|
||||
bgu,pt %icc, 1b
|
||||
sllx %g3, %g1, %g2
|
||||
@ -506,8 +568,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
|
||||
|
||||
1:
|
||||
subcc %o2, 4, %o2
|
||||
EX_LD(LOAD(lduw, %o1, %g1))
|
||||
EX_ST(STORE(stw, %g1, %o1 + GLOBAL_SPARE))
|
||||
EX_LD(LOAD(lduw, %o1, %g1), NG2_retl_o2_plus_4)
|
||||
EX_ST(STORE(stw, %g1, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_4)
|
||||
bgu,pt %XCC, 1b
|
||||
add %o1, 4, %o1
|
||||
|
||||
@ -517,8 +579,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
|
||||
.align 32
|
||||
90:
|
||||
subcc %o2, 1, %o2
|
||||
EX_LD(LOAD(ldub, %o1, %g1))
|
||||
EX_ST(STORE(stb, %g1, %o1 + GLOBAL_SPARE))
|
||||
EX_LD(LOAD(ldub, %o1, %g1), NG2_retl_o2_plus_1)
|
||||
EX_ST(STORE(stb, %g1, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_1)
|
||||
bgu,pt %XCC, 90b
|
||||
add %o1, 1, %o1
|
||||
retl
|
||||
|
||||
Loading…
Reference in New Issue
Block a user