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GP-1165: Corrected minor issue with integer ABS functions using

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floating-point abs pcode.
This commit is contained in:
ghidorahrex
2022-02-17 11:39:27 -05:00
parent b743209e7c
commit 7e62b796a9
1 changed files with 8 additions and 3 deletions
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Ghidra/Processors/Atmel/data/languages/avr32a_arithmetic_operations.sinc
+8 -3
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@@ -63,7 +63,8 @@ macro acrflags(OP1, tmpC, RES) {
# 010 1110 00100 dddd (Opcode Form) # 010 1110 00100 dddd (Opcode Form)
# 0101 1100 0100 dddd (Byte half Form) # 0101 1100 0100 dddd (Byte half Form)
:ABS rd0 is rd0 & op13_3=0x2 & op9_4=0xe & op4_5=0x4 { :ABS rd0 is rd0 & op13_3=0x2 & op9_4=0xe & op4_5=0x4 {
rd0 = abs(rd0); local ztst:1 = rd0 s< 0;
rd0 = (zext(!ztst)*rd0) + (zext(ztst)*(-rd0));
ZSTATUS(rd0); ZSTATUS(rd0);
} }
@@ -193,13 +194,17 @@ macro acrflags(OP1, tmpC, RES) {
:ADDABS erd0, RX9A, RY0A is (op13_3=7 & op4_5=0 & RX9A & RY0A; eop4_12=0xe4 & erd0) :ADDABS erd0, RX9A, RY0A is (op13_3=7 & op4_5=0 & RX9A & RY0A; eop4_12=0xe4 & erd0)
{ {
erd0 = RX9A + abs(RY0A); local ztst:1 = RY0A s< 0;
local ary0:4 = (zext(!ztst)*RY0A) + (zext(ztst)*(-RY0A));
erd0 = RX9A + ary0;
ZSTATUS(erd0); ZSTATUS(erd0);
} }
:ADDABS erd0, RX9A, RY0A is (op13_3=7 & op4_5=0 & RX9A & RY0A; eop4_12=0xe4 & erd0 & erd0=0xf) :ADDABS erd0, RX9A, RY0A is (op13_3=7 & op4_5=0 & RX9A & RY0A; eop4_12=0xe4 & erd0 & erd0=0xf)
{ {
PC = RX9A + abs(RY0A); local ztst:1 = RY0A s< 0;
local ary0:4 = (zext(!ztst)*RY0A) + (zext(ztst)*(-RY0A));
PC = RX9A + ary0;
ZSTATUS(PC); ZSTATUS(PC);
goto [PC]; goto [PC];
} }