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Change semantics of buffer ops to simplify CSE and DCE.

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This commit is contained in:
Mike Pall
2013-04-26 13:47:41 +02:00
parent 5fd659f859
commit 47fa9a8d8f
6 changed files with 60 additions and 58 deletions
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4
src/lj_ffrecord.c
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@@ -766,7 +766,7 @@ static void LJ_FASTCALL recff_string_char(jit_State *J, RecordFFData *rd)
TRef tr = hdr;
for (i = 0; J->base[i] != 0; i++)
tr = emitir(IRT(IR_BUFPUT, IRT_P32), tr, J->base[i]);
J->base[0] = emitir(IRT(IR_BUFSTR, IRT_STR), hdr, tr);
J->base[0] = emitir(IRT(IR_BUFSTR, IRT_STR), tr, hdr);
}
UNUSED(rd);
}
@@ -777,7 +777,7 @@ static void LJ_FASTCALL recff_string_op(jit_State *J, RecordFFData *rd)
TRef hdr = emitir(IRT(IR_BUFHDR, IRT_P32),
lj_ir_kptr(J, &J2G(J)->tmpbuf), IRBUFHDR_RESET);
TRef tr = lj_ir_call(J, rd->data, hdr, str);
J->base[0] = emitir(IRT(IR_BUFSTR, IRT_STR), hdr, tr);
J->base[0] = emitir(IRT(IR_BUFSTR, IRT_STR), tr, hdr);
}
/* -- Table library fast functions ---------------------------------------- */