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Add a new instruction OP_LOADI32.

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That loads 32 bit integer bypassing pool access.
This commit is contained in:
Yukihiro "Matz" Matsumoto
2020-11-04 14:01:04 +09:00
parent f8156ae175
commit d13df1536d
5 changed files with 37 additions and 10 deletions
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include/mruby/opcode.h
+1
View File
@@ -36,6 +36,7 @@ enum mrb_insn {
#define FETCH_BB() do {a=READ_B(); b=READ_B();} while (0)
#define FETCH_BBB() do {a=READ_B(); b=READ_B(); c=READ_B();} while (0)
#define FETCH_BS() do {a=READ_B(); b=READ_S();} while (0)
#define FETCH_BSS() do {a=READ_B(); b=READ_S(); c=READ_S();} while (0)
#define FETCH_S() do {a=READ_S();} while (0)
#define FETCH_W() do {a=READ_W();} while (0)
include/mruby/ops.h
+9 -7
View File
@@ -1,11 +1,12 @@
/* operand types:
+ Z: no operand (Z,Z,Z,Z)
+ B: 8bit (B,S,B,B)
+ BB: 8+8bit (BB,SB,BS,SS)
+ BBB: 8+8+8bit (BBB,SBB,BSB,SSB)
+ BS: 8+16bit (BS,SS,BS,BS)
+ S: 16bit (S,S,S,S)
+ W: 24bit (W,W,W,W)
+ Z: no operand
+ B: 8bit
+ BB: 8+8bit
+ BBB: 8+8+8bit
+ BS: 8+16bit
+ BSS: 8+16+16bit
+ S: 16bit
+ W: 24bit
*/
/*-----------------------------------------------------------------------
@@ -27,6 +28,7 @@ OPCODE(LOADI_5, B) /* R(a) = mrb_int(5) */
OPCODE(LOADI_6, B) /* R(a) = mrb_int(6) */
OPCODE(LOADI_7, B) /* R(a) = mrb_int(7) */
OPCODE(LOADI16, BS) /* R(a) = mrb_int(b) */
OPCODE(LOADI32, BSS) /* R(a) = mrb_int((b<<16)+c) */
OPCODE(LOADSYM, BB) /* R(a) = Syms(b) */
OPCODE(LOADSYM16, BS) /* R(a) = Syms(b) */
OPCODE(LOADNIL, B) /* R(a) = nil */