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More uniformity in code generation for 'for' loops

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Added new instruction 'OP_TFORPREP' to prepare a generic for loop.
Currently it is equivalent to a jump (but with a format 'iABx',
similar to other for-loop preparing instructions), but soon it will
be the place to create upvalues for closing loop states.
This commit is contained in:
Roberto Ierusalimschy
2018-10-26 10:38:50 -03:00
parent 34840301b5
commit 6e9b719694
6 changed files with 14 additions and 10 deletions
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lopcodes.c
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@@ -90,6 +90,7 @@ LUAI_DDEF const lu_byte luaP_opmodes[NUM_OPCODES] = {
,opmode(0, 0, 0, 1, iABx) /* OP_FORPREP1 */
,opmode(0, 0, 0, 1, iABx) /* OP_FORLOOP */
,opmode(0, 0, 0, 1, iABx) /* OP_FORPREP */
,opmode(0, 0, 0, 0, iABx) /* OP_TFORPREP */
,opmode(0, 0, 0, 0, iABC) /* OP_TFORCALL */
,opmode(0, 0, 0, 1, iABx) /* OP_TFORLOOP */
,opmode(0, 1, 0, 0, iABC) /* OP_SETLIST */