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* r8c.opc (decode_r8c): Don't bother reading the destination

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before moving a constant into it.  Fix borrow comparison for SUB.
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DJ Delorie 2006-06-26 20:31:43 +00:00
parent 998b504375
commit f4f21c206a
2 changed files with 9 additions and 4 deletions
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5
sim/m32c/ChangeLog
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@ -1,3 +1,8 @@
2006-06-26 DJ Delorie <dj@redhat.com>
* r8c.opc (decode_r8c): Don't bother reading the destination
before moving a constant into it. Fix borrow comparison for SUB.
2006-06-13 Richard Earnshaw <rearnsha@arm.com>
* configure: Regenerated.

8
sim/m32c/r8c.opc
View file

@ -885,7 +885,7 @@ decode_r8c()
/** 0111 010w 1100 dest MOV.size:G #IMM,dest */
UNARY_UOP;
dc = decode_srcdest4 (dest, w);
imm = IMM(w);
v = imm;
tprintf("%x = %x\n", v, v);
@ -894,7 +894,7 @@ decode_r8c()
/** 1101 100w immm dest MOV.size:Q #IMM,dest */
UNARY_SOP;
dc = decode_srcdest4 (dest, w);
v = sign_ext (immm, 4);
tprintf ("%x = %x\n", v, v);
set_sz (v, w+1);
@ -1530,14 +1530,14 @@ decode_r8c()
sc = decode_srcdest4(srcx, w);
dc = decode_srcdest4(dest, w);
b = get_src (sc);
MATH_OP (dc, b, 0, -, > 0);
MATH_OP (dc, b, 0, -, >= 0);
/** 0010 1d sr SUB.B:S src,R0L/R0H */
sc = decode_src2 (sr, 0, d);
dc = decode_dest1 (d, 0);
b = get_src (sc);
MATH_OP (dc, b, 0, -, > 0);
MATH_OP (dc, b, 0, -, >= 0);
/** 0111 011w 0000 dest TST.size #IMM, dest */