diff options
| author | Anton Korobeynikov <asl@math.spbu.ru> | 2009-08-22 11:46:16 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2009-08-22 11:46:16 +0000 |
| commit | 310ed1364185535949432bfd25a1aca3c5496f87 (patch) | |
| tree | 77c38dbd1349b811f8134424d57907a29b5ce5ed /lib/Target | |
| parent | 3edd9bb7a3da8526eb2f4a5dae2962a987d3d566 (diff) | |
Some dummy cost model for s390x:
- Prefer short-imm instructions over ext-imm, when possible
- Prefer Z10 instructions over Z9, when possible
This hopefully should fix some dejagnu test fails on solaris
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79741 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/SystemZ/SystemZInstrFormats.td | 12 | ||||
| -rw-r--r-- | lib/Target/SystemZ/SystemZInstrInfo.td | 4 |
2 files changed, 13 insertions, 3 deletions
diff --git a/lib/Target/SystemZ/SystemZInstrFormats.td b/lib/Target/SystemZ/SystemZInstrFormats.td index 81f704f977..b4a8993c19 100644 --- a/lib/Target/SystemZ/SystemZInstrFormats.td +++ b/lib/Target/SystemZ/SystemZInstrFormats.td @@ -94,19 +94,25 @@ class RREI<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern> : I16<op, RREForm, outs, ins, asmstr, pattern>; class RXI<bits<8> op, dag outs, dag ins, string asmstr, list<dag> pattern> - : I8<op, RXForm, outs, ins, asmstr, pattern>; + : I8<op, RXForm, outs, ins, asmstr, pattern> { + let AddedComplexity = 1; +} class RXYI<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern> : I16<op, RXYForm, outs, ins, asmstr, pattern>; class RSI<bits<8> op, dag outs, dag ins, string asmstr, list<dag> pattern> - : I8<op, RSForm, outs, ins, asmstr, pattern>; + : I8<op, RSForm, outs, ins, asmstr, pattern> { + let AddedComplexity = 1; +} class RSYI<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern> : I16<op, RSYForm, outs, ins, asmstr, pattern>; class SII<bits<8> op, dag outs, dag ins, string asmstr, list<dag> pattern> - : I8<op, SIForm, outs, ins, asmstr, pattern>; + : I8<op, SIForm, outs, ins, asmstr, pattern> { + let AddedComplexity = 1; +} class SIYI<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern> : I16<op, SIYForm, outs, ins, asmstr, pattern>; diff --git a/lib/Target/SystemZ/SystemZInstrInfo.td b/lib/Target/SystemZ/SystemZInstrInfo.td index 0cf706ed17..56d75ddfc0 100644 --- a/lib/Target/SystemZ/SystemZInstrInfo.td +++ b/lib/Target/SystemZ/SystemZInstrInfo.td @@ -324,6 +324,7 @@ def MOV8miy : SIYI<0x52EB, "mviy\t{$dst, $src}", [(truncstorei8 (i32 i32immSExt8:$src), riaddr:$dst)]>; +let AddedComplexity = 2 in { def MOV16mi : SILI<0xE544, (outs), (ins riaddr12:$dst, s16imm:$src), "mvhhi\t{$dst, $src}", @@ -339,6 +340,7 @@ def MOV64mi16 : SILI<0xE548, "mvghi\t{$dst, $src}", [(store (i64 immSExt16:$src), riaddr12:$dst)]>, Requires<[IsZ10]>; +} // sexts def MOVSX32rr8 : RREI<0xB926, @@ -856,6 +858,7 @@ def MUL64ri16 : RII<0xA7D, "mghi\t{$dst, $src2}", [(set GR64:$dst, (mul GR64:$src1, immSExt16:$src2))]>; +let AddedComplexity = 2 in { def MUL32ri : RILI<0xC21, (outs GR32:$dst), (ins GR32:$src1, s32imm:$src2), "msfi\t{$dst, $src2}", @@ -866,6 +869,7 @@ def MUL64ri32 : RILI<0xC20, "msgfi\t{$dst, $src2}", [(set GR64:$dst, (mul GR64:$src1, i64immSExt32:$src2))]>, Requires<[IsZ10]>; +} def MUL32rm : RXI<0x71, (outs GR32:$dst), (ins GR32:$src1, rriaddr12:$src2), |