diff options
| author | Nate Begeman <natebegeman@mac.com> | 2006-02-17 05:43:56 +0000 |
|---|---|---|
| committer | Nate Begeman <natebegeman@mac.com> | 2006-02-17 05:43:56 +0000 |
| commit | 551bf3f80058a026b6a128dffd5530019e1df1b9 (patch) | |
| tree | e6f8e7aca7b09c6bd795ff14bb5598d7e1f022bc /lib/Target/PowerPC/PPCInstrInfo.td | |
| parent | 25125697fb0a761da440b222671cf2d6d4deaeac (diff) | |
| download | external_llvm-551bf3f80058a026b6a128dffd5530019e1df1b9.zip external_llvm-551bf3f80058a026b6a128dffd5530019e1df1b9.tar.gz external_llvm-551bf3f80058a026b6a128dffd5530019e1df1b9.tar.bz2 | |
kill ADD_PARTS & SUB_PARTS and replace them with fancy new ADDC, ADDE, SUBC
and SUBE nodes that actually expose what's going on and allow for
significant simplifications in the targets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26255 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC/PPCInstrInfo.td')
| -rw-r--r-- | lib/Target/PowerPC/PPCInstrInfo.td | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td index 7c184ab..30f4e9b 100644 --- a/lib/Target/PowerPC/PPCInstrInfo.td +++ b/lib/Target/PowerPC/PPCInstrInfo.td @@ -302,7 +302,7 @@ def ADDI : DForm_2<14, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm), [(set GPRC:$rD, (add GPRC:$rA, immSExt16:$imm))]>; def ADDIC : DForm_2<12, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm), "addic $rD, $rA, $imm", IntGeneral, - []>; + [(set GPRC:$rD, (addc GPRC:$rA, immSExt16:$imm))]>; def ADDICo : DForm_2<13, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm), "addic. $rD, $rA, $imm", IntGeneral, []>; @@ -684,10 +684,10 @@ def ADD8 : XOForm_1<31, 266, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB), [(set G8RC:$rT, (add G8RC:$rA, G8RC:$rB))]>; def ADDC : XOForm_1<31, 10, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB), "addc $rT, $rA, $rB", IntGeneral, - []>; + [(set GPRC:$rT, (addc GPRC:$rA, GPRC:$rB))]>; def ADDE : XOForm_1<31, 138, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB), "adde $rT, $rA, $rB", IntGeneral, - []>; + [(set GPRC:$rT, (adde GPRC:$rA, GPRC:$rB))]>; def DIVD : XOForm_1<31, 489, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB), "divd $rT, $rA, $rB", IntDivD, [(set G8RC:$rT, (sdiv G8RC:$rA, G8RC:$rB))]>, isPPC64; @@ -723,22 +723,25 @@ def SUBF : XOForm_1<31, 40, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB), [(set GPRC:$rT, (sub GPRC:$rB, GPRC:$rA))]>; def SUBFC : XOForm_1<31, 8, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB), "subfc $rT, $rA, $rB", IntGeneral, - []>; + [(set GPRC:$rT, (subc GPRC:$rB, GPRC:$rA))]>; def SUBFE : XOForm_1<31, 136, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB), "subfe $rT, $rA, $rB", IntGeneral, - []>; + [(set GPRC:$rT, (sube GPRC:$rB, GPRC:$rA))]>; def ADDME : XOForm_3<31, 234, 0, (ops GPRC:$rT, GPRC:$rA), "addme $rT, $rA", IntGeneral, - []>; + [(set GPRC:$rT, (adde GPRC:$rA, immAllOnes))]>; def ADDZE : XOForm_3<31, 202, 0, (ops GPRC:$rT, GPRC:$rA), "addze $rT, $rA", IntGeneral, - []>; + [(set GPRC:$rT, (adde GPRC:$rA, 0))]>; def NEG : XOForm_3<31, 104, 0, (ops GPRC:$rT, GPRC:$rA), "neg $rT, $rA", IntGeneral, [(set GPRC:$rT, (ineg GPRC:$rA))]>; +def SUBFME : XOForm_3<31, 232, 0, (ops GPRC:$rT, GPRC:$rA), + "subfme $rT, $rA", IntGeneral, + [(set GPRC:$rT, (sube immAllOnes, GPRC:$rA))]>; def SUBFZE : XOForm_3<31, 200, 0, (ops GPRC:$rT, GPRC:$rA), "subfze $rT, $rA", IntGeneral, - []>; + [(set GPRC:$rT, (sube 0, GPRC:$rA))]>; // A-Form instructions. Most of the instructions executed in the FPU are of // this type. @@ -983,6 +986,9 @@ def : Pat<(or GPRC:$in, imm:$imm), // XOR an arbitrary immediate. def : Pat<(xor GPRC:$in, imm:$imm), (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>; +// SUBFIC +def : Pat<(subc immSExt16:$imm, GPRC:$in), + (SUBFIC GPRC:$in, imm:$imm)>; // Return void support. def : Pat<(ret), (BLR)>; |