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GT-3202: Sparcv9, corrected pcode for 32-bit std instruction.

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ghidorahrex
2019-10-07 09:27:58 -04:00
parent 9fb4dc4459
commit 087216607a
1 changed files with 8 additions and 9 deletions
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17
Ghidra/Processors/Sparc/data/languages/SparcV9.sinc
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@@ -537,20 +537,19 @@ macro unpackflags(ccr) {
# size = 4, but this extended store insn needs to write 8 bytes
:stx RD,ea is op=3 & RD & rd_d & op3=0x0e & ea
{
# There is a bug in the sleigh compiler that implements the tmp_hi:4 = rd_d[32,32] instruction incorrectly
#tmp_lo:4 = rd_d[0,32];
#tmp_hi:4 = rd_d[32,32];
#tmp:8 = zext(tmp_lo) + zext(tmp_hi << 32);
*ea = rd_d;#tmp;
tmp_lo:4 = rd_d[0,32];
tmp_hi:4 = rd_d[32,32];
tmp:8 = zext(tmp_lo) + (zext(tmp_hi) << 32);
*ea = tmp;
}
:clrx ea is op=3 & rd=0 & op3=0x0e & ea { *ea = 0:8; }
:std RD,ea is op=3 & RD & rd_d & op3=0x07 & ea
{
#tmp_lo:4 = rd_d[0,32];
#tmp_hi:4 = rd_d[32,32];
#tmp:8 = zext(tmp_lo) + zext(tmp_hi << 32);
*ea = rd_d;#tmp;
tmp_lo:4 = rd_d[0,32];
tmp_hi:4 = rd_d[32,32];
tmp:8 = zext(tmp_lo) + (zext(tmp_hi) << 32);
*ea = tmp;
}
:clrd ea is op=3 & rd=0 & op3=0x07 & ea { *ea = 0:8; }