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instructionRTL.txt
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------------------------------
ARITHMETIC OPERATIONS
------------------------------
ADD rd, rx, ry
t1 <- [rx]
t2 <- [t1] + [ry]
rd <- [t2]
ADD rd, rx, imm7
t1 <- [rx]
t2 <- [t1] + uext(imm7)
rd <- [t2]
------------------------------
SUB rd, rx, ry
t1 <- [rx]
t2 <- [t1] - [ry]
rd <- [t2]
SUB rd, rx, imm7
t1 <- [rx]
t2 <- [t1] - uext(imm7)
rd <- [t2]
------------------------------
MUL rd, rx, ry
t1 <- [rx]
t2 <- [t1] * [ry]
rd <- [t2]
MUL rd, rx, imm7
t1 <- [rx]
t2 <- [t1] * uext(imm7)
rd <- [t2]
------------------------------
DIV rd, rx, ry
t1 <- [rx]
t2 <- [t1] / [ry]
rd <- [t2]
DIV rd, rx, imm7
t1 <- [rx]
t2 <- [t1] / uext(imm7)
rd <- [t2]
------------------------------
LOGICAL OPERATIONS
------------------------------
AND rd, rx, ry
t1 <- [rx]
t2 <- [t1] && [ry]
rd <- [t2]
AND rd, rx, imm7
t1 <- [rx]
t2 <- [t1] && uext(imm7)
rd <- [t2]
------------------------------
OR rd, rx, ry
t1 <- [rx]
t2 <- [t1] || [ry]
rd <- [t2]
OR rd, rx, imm7
t1 <- [rx]
t2 <- [t1] || uext(imm7)
rd <- [t2]
------------------------------
NOT rd, rx
t2 <- ![rx]
rd <- [t2]
NOT rd, imm9
t2 <- !uext(imm9)
rd <- [t2]
------------------------------
LSL rd, rx, imm4
t1 <- [rx]
t2 <- [t1] << uext(imm4)
rd <- [t2]
LSL rd, rx, ry
t1 <- [rx]
t2 <- [t1] << [ry]
rd <- [t2]
LSR rd, rx, imm4
t1 <- [rx]
t2 <- [t1] >> uext(imm4)
rd <- [t2]
LSR rd, rx, ry
t1 <- [rx]
t2 <- [t1] >> [ry]
rd <- [t2]
ROL rd, rx, imm4
t1 <- [rx]
t2 <- [t1] <r uext(imm4)
rd <- [t2]
ROL rd, rx, ry
t1 <- [rx]
t2 <- [t1] <r [ry]
rd <- [t2]
ROR rd, rx, imm4
t1 <- [rx]
t2 <- [t1] r> uext(imm4)
rd <- [t2]
ROR rd, rx, ry
t1 <- [rx]
t2 <- [t1] r> [ry]
rd <- [t2]
------------------------------
MEMORY OPERATIONS
------------------------------
MOV rd, rx
t2 <- [rx]
rd <- [t2]
MOV rd, imm9
rd <- uext(imm9)
------------------------------
LDR rd, [imm9]
t2 <- [t1] + sext(imm9)
mar <- [t2]
mdr <- Mmem[[mar]]
rd <- [mdr]
LDR rd, [rx, ry]
t1 <- [rx]
t2 <- [t1] + [ry]
mar <- [t2]
mdr <- Mmem[[mar]]
rd <- [mdr]
LDR rd, [rx, imm7]
t1 <- [rx]
t2 <- [t1] + sext(imm7)
mar <- [t2]
mdr <- Mmem[[mar]]
rd <- [mdr]
? Not sure if I will implement this to save one execution state
LDR rd, [rx, #0]
mar <- [rx]
mdr <- Mmem[[mar]]
rd <- [mdr]
------------------------------
STR rd, [imm9]
t2 <- [t1] + sext(imm9)
mar <- [t2]
mdr <- [rd]
Mmem[[mar]] <- [mdr]
STR rs, [rx, ry]
t1 <- [rx]
t2 <- [t1] + [ry]
mar <- [t2]
mdr <- [rd]
Mmem[[mar]] <- [mdr]
STR rd, [rx, imm7]
t1 <- [rx]
t2 <- [t1] + sext(imm7)
mar <- [t2]
mdr <- [rd]
Mmem[[mar]] <- [mdr]
? Not sure if I will implement this to save one execution state
STR rd, [rx, #0]
mar <- [rx]
mdr <- [rd]
Mmem[[mar]] <- [mdr]
------------------------------
LEA rs, imm9
t2 <- [t1] + sext(imm9)
rd <- [t2]
------------------------------
------------------------------
CONTROL FLOW OPERATIONS
------------------------------
Bcc imm7
t2 <- [t1] + sext(imm7) iff cc
PC <- [t2]
BLcc imm7
LR <- [t2] iff cc
t2 <- [t1] + sext(imm7)
PC <- [t2]
------------------------------
CMP rd, rx
t1 <- [rd]
[t1] - [rx]
CMP rd, imm9
t1 <- [rd]
[t1] - uext(imm9)
------------------------------
PUSH {r, ...}
------------------------------
POP {r, ...}
------------------------------