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PowerPC: Fix encoding of stfsu and stfdu instructions

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When testing the asm parser, I noticed wrong encodings for the
above instructions (wrong sub-opcodes).  Note that apparently
the compiler currently never generates pre-inc instructions
for floating point types for some reason ...

Tests will be added together with the asm parser.

llvm-svn: 180607
This commit is contained in:
Ulrich Weigand 2013-04-26 15:39:40 +00:00
parent 71ccd2df46
commit ad315c6b60
1 changed files with 2 additions and 2 deletions
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4
lib/Target/PowerPC/PPCInstrInfo.td
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@ -1165,10 +1165,10 @@ def STHU : DForm_1<45, (outs ptr_rc_nor0:$ea_res), (ins GPRC:$rS, memri:$dst),
def STWU : DForm_1<37, (outs ptr_rc_nor0:$ea_res), (ins GPRC:$rS, memri:$dst),
"stwu $rS, $dst", LdStStoreUpd, []>,
RegConstraint<"$dst.reg = $ea_res">, NoEncode<"$ea_res">;
def STFSU : DForm_1<37, (outs ptr_rc_nor0:$ea_res), (ins F4RC:$rS, memri:$dst),
def STFSU : DForm_1<53, (outs ptr_rc_nor0:$ea_res), (ins F4RC:$rS, memri:$dst),
"stfsu $rS, $dst", LdStSTFDU, []>,
RegConstraint<"$dst.reg = $ea_res">, NoEncode<"$ea_res">;
def STFDU : DForm_1<37, (outs ptr_rc_nor0:$ea_res), (ins F8RC:$rS, memri:$dst),
def STFDU : DForm_1<55, (outs ptr_rc_nor0:$ea_res), (ins F8RC:$rS, memri:$dst),
"stfdu $rS, $dst", LdStSTFDU, []>,
RegConstraint<"$dst.reg = $ea_res">, NoEncode<"$ea_res">;
}