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Processors/PowerPC: Use FLOAT_NEG on fneg and fneg. instructions

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It was causing weird decompilation output.
This commit is contained in:
aldelaro5
2019-04-09 01:09:38 -04:00
parent 49c2010b63
commit e51128e46f
1 changed files with 2 additions and 4 deletions
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6
Ghidra/Processors/PowerPC/data/languages/ppc_instructions.sinc
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@@ -1577,15 +1577,13 @@
#fneg fr0,fr0 0xfc 00 00 50 #fneg fr0,fr0 0xfc 00 00 50
:fneg fD,fB is $(NOTVLE) & OP=63 & fD & fB & BITS_16_20=0 & XOP_1_10=40 & Rc=0 :fneg fD,fB is $(NOTVLE) & OP=63 & fD & fB & BITS_16_20=0 & XOP_1_10=40 & Rc=0
{ {
tmp:8 = (~fB) & 0x8000000000000000; fD = f- fB;
fD = (fB & 0x7fffffffffffffff) | tmp;
} }
#fneg. fr0,fr0 0xfc 00 00 51 #fneg. fr0,fr0 0xfc 00 00 51
:fneg. fD,fB is $(NOTVLE) & OP=63 & fD & fB & BITS_16_20=0 & XOP_1_10=40 & Rc=1 :fneg. fD,fB is $(NOTVLE) & OP=63 & fD & fB & BITS_16_20=0 & XOP_1_10=40 & Rc=1
{ {
tmp:8 = (~fB) & 0x8000000000000000; fD = f- fB;
fD = (fB & 0x7fffffffffffffff) | tmp;
cr1flags(); cr1flags();
} }