[llvm-commits] [llvm] r145159 - /llvm/trunk/lib/Target/MBlaze/MBlazeInstrInfo.td
Wesley Peck
peckw at wesleypeck.com
Sat Nov 26 17:36:20 PST 2011
Author: peckw
Date: Sat Nov 26 19:36:20 2011
New Revision: 145159
URL: http://llvm.org/viewvc/llvm-project?rev=145159&view=rev
Log:
Optimize comparison against 0 in conditional instructions.
Fix a couple of 80-column violations.
Modified:
llvm/trunk/lib/Target/MBlaze/MBlazeInstrInfo.td
Modified: llvm/trunk/lib/Target/MBlaze/MBlazeInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/MBlaze/MBlazeInstrInfo.td?rev=145159&r1=145158&r2=145159&view=diff
==============================================================================
--- llvm/trunk/lib/Target/MBlaze/MBlazeInstrInfo.td (original)
+++ llvm/trunk/lib/Target/MBlaze/MBlazeInstrInfo.td Sat Nov 26 19:36:20 2011
@@ -751,6 +751,56 @@
def : Pat<(srl GPR:$L, GPR:$R), (ShiftRL GPR:$L, GPR:$R)>;
// SET_CC operations
+def : Pat<(setcc (i32 GPR:$L), (i32 0), SETEQ),
+ (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0), GPR:$L, 1)>;
+def : Pat<(setcc (i32 GPR:$L), (i32 0), SETNE),
+ (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0), GPR:$L, 2)>;
+def : Pat<(setcc (i32 GPR:$L), (i32 0), SETGT),
+ (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0), GPR:$L, 3)>;
+def : Pat<(setcc (i32 GPR:$L), (i32 0), SETLT),
+ (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0), GPR:$L, 4)>;
+def : Pat<(setcc (i32 GPR:$L), (i32 0), SETGE),
+ (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0), GPR:$L, 5)>;
+def : Pat<(setcc (i32 GPR:$L), (i32 0), SETLE),
+ (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0), GPR:$L, 6)>;
+def : Pat<(setcc (i32 GPR:$L), (i32 0), SETUGT),
+ (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
+ (CMPU (i32 R0), GPR:$L), 3)>;
+def : Pat<(setcc (i32 GPR:$L), (i32 0), SETULT),
+ (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
+ (CMPU (i32 R0), GPR:$L), 4)>;
+def : Pat<(setcc (i32 GPR:$L), (i32 0), SETUGE),
+ (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
+ (CMPU (i32 R0), GPR:$L), 5)>;
+def : Pat<(setcc (i32 GPR:$L), (i32 0), SETULE),
+ (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
+ (CMPU (i32 R0), GPR:$L), 6)>;
+
+def : Pat<(setcc (i32 0), (i32 GPR:$R), SETEQ),
+ (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0), GPR:$R, 1)>;
+def : Pat<(setcc (i32 0), (i32 GPR:$R), SETNE),
+ (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0), GPR:$R, 2)>;
+def : Pat<(setcc (i32 0), (i32 GPR:$R), SETGT),
+ (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0), GPR:$R, 3)>;
+def : Pat<(setcc (i32 0), (i32 GPR:$R), SETLT),
+ (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0), GPR:$R, 4)>;
+def : Pat<(setcc (i32 0), (i32 GPR:$R), SETGE),
+ (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0), GPR:$R, 5)>;
+def : Pat<(setcc (i32 0), (i32 GPR:$R), SETLE),
+ (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0), GPR:$R, 6)>;
+def : Pat<(setcc (i32 0), (i32 GPR:$R), SETUGT),
+ (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
+ (CMPU GPR:$R, (i32 R0)), 3)>;
+def : Pat<(setcc (i32 0), (i32 GPR:$R), SETULT),
+ (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
+ (CMPU GPR:$R, (i32 R0)), 4)>;
+def : Pat<(setcc (i32 0), (i32 GPR:$R), SETUGE),
+ (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
+ (CMPU GPR:$R, (i32 R0)), 5)>;
+def : Pat<(setcc (i32 0), (i32 GPR:$R), SETULE),
+ (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
+ (CMPU GPR:$R, (i32 R0)), 6)>;
+
def : Pat<(setcc (i32 GPR:$L), (i32 GPR:$R), SETEQ),
(Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
(CMP GPR:$R, GPR:$L), 1)>;
@@ -787,6 +837,68 @@
(Select_CC GPR:$T, GPR:$F, GPR:$C, 2)>;
// SELECT_CC
+def : Pat<(selectcc (i32 GPR:$L), (i32 0),
+ (i32 GPR:$T), (i32 GPR:$F), SETEQ),
+ (Select_CC GPR:$T, GPR:$F, GPR:$L, 1)>;
+def : Pat<(selectcc (i32 GPR:$L), (i32 0),
+ (i32 GPR:$T), (i32 GPR:$F), SETNE),
+ (Select_CC GPR:$T, GPR:$F, GPR:$L, 2)>;
+def : Pat<(selectcc (i32 GPR:$L), (i32 0),
+ (i32 GPR:$T), (i32 GPR:$F), SETGT),
+ (Select_CC GPR:$T, GPR:$F, GPR:$L, 3)>;
+def : Pat<(selectcc (i32 GPR:$L), (i32 0),
+ (i32 GPR:$T), (i32 GPR:$F), SETLT),
+ (Select_CC GPR:$T, GPR:$F, GPR:$L, 4)>;
+def : Pat<(selectcc (i32 GPR:$L), (i32 0),
+ (i32 GPR:$T), (i32 GPR:$F), SETGE),
+ (Select_CC GPR:$T, GPR:$F, GPR:$L, 5)>;
+def : Pat<(selectcc (i32 GPR:$L), (i32 0),
+ (i32 GPR:$T), (i32 GPR:$F), SETLE),
+ (Select_CC GPR:$T, GPR:$F, GPR:$L, 6)>;
+def : Pat<(selectcc (i32 GPR:$L), (i32 0),
+ (i32 GPR:$T), (i32 GPR:$F), SETUGT),
+ (Select_CC GPR:$T, GPR:$F, (CMPU (i32 R0), GPR:$L), 3)>;
+def : Pat<(selectcc (i32 GPR:$L), (i32 0),
+ (i32 GPR:$T), (i32 GPR:$F), SETULT),
+ (Select_CC GPR:$T, GPR:$F, (CMPU (i32 R0), GPR:$L), 4)>;
+def : Pat<(selectcc (i32 GPR:$L), (i32 0),
+ (i32 GPR:$T), (i32 GPR:$F), SETUGE),
+ (Select_CC GPR:$T, GPR:$F, (CMPU (i32 R0), GPR:$L), 5)>;
+def : Pat<(selectcc (i32 GPR:$L), (i32 0),
+ (i32 GPR:$T), (i32 GPR:$F), SETULE),
+ (Select_CC GPR:$T, GPR:$F, (CMPU (i32 R0), GPR:$L), 6)>;
+
+def : Pat<(selectcc (i32 0), (i32 GPR:$R),
+ (i32 GPR:$T), (i32 GPR:$F), SETEQ),
+ (Select_CC GPR:$T, GPR:$F, GPR:$R, 1)>;
+def : Pat<(selectcc (i32 0), (i32 GPR:$R),
+ (i32 GPR:$T), (i32 GPR:$F), SETNE),
+ (Select_CC GPR:$T, GPR:$F, GPR:$R, 2)>;
+def : Pat<(selectcc (i32 0), (i32 GPR:$R),
+ (i32 GPR:$T), (i32 GPR:$F), SETGT),
+ (Select_CC GPR:$T, GPR:$F, GPR:$R, 3)>;
+def : Pat<(selectcc (i32 0), (i32 GPR:$R),
+ (i32 GPR:$T), (i32 GPR:$F), SETLT),
+ (Select_CC GPR:$T, GPR:$F, GPR:$R, 4)>;
+def : Pat<(selectcc (i32 0), (i32 GPR:$R),
+ (i32 GPR:$T), (i32 GPR:$F), SETGE),
+ (Select_CC GPR:$T, GPR:$F, GPR:$R, 5)>;
+def : Pat<(selectcc (i32 0), (i32 GPR:$R),
+ (i32 GPR:$T), (i32 GPR:$F), SETLE),
+ (Select_CC GPR:$T, GPR:$F, GPR:$R, 6)>;
+def : Pat<(selectcc (i32 0), (i32 GPR:$R),
+ (i32 GPR:$T), (i32 GPR:$F), SETUGT),
+ (Select_CC GPR:$T, GPR:$F, (CMPU GPR:$R, (i32 R0)), 3)>;
+def : Pat<(selectcc (i32 0), (i32 GPR:$R),
+ (i32 GPR:$T), (i32 GPR:$F), SETULT),
+ (Select_CC GPR:$T, GPR:$F, (CMPU GPR:$R, (i32 R0)), 4)>;
+def : Pat<(selectcc (i32 0), (i32 GPR:$R),
+ (i32 GPR:$T), (i32 GPR:$F), SETUGE),
+ (Select_CC GPR:$T, GPR:$F, (CMPU GPR:$R, (i32 R0)), 5)>;
+def : Pat<(selectcc (i32 0), (i32 GPR:$R),
+ (i32 GPR:$T), (i32 GPR:$F), SETULE),
+ (Select_CC GPR:$T, GPR:$F, (CMPU GPR:$R, (i32 R0)), 6)>;
+
def : Pat<(selectcc (i32 GPR:$L), (i32 GPR:$R),
(i32 GPR:$T), (i32 GPR:$F), SETEQ),
(Select_CC GPR:$T, GPR:$F, (CMP GPR:$R, GPR:$L), 1)>;
@@ -827,6 +939,48 @@
def : Pat<(brind GPR:$T), (BRAD GPR:$T)>;
// BRCOND instructions
+def : Pat<(brcond (setcc (i32 GPR:$L), (i32 0), SETEQ), bb:$T),
+ (BEQID GPR:$L, bb:$T)>;
+def : Pat<(brcond (setcc (i32 GPR:$L), (i32 0), SETNE), bb:$T),
+ (BNEID GPR:$L, bb:$T)>;
+def : Pat<(brcond (setcc (i32 GPR:$L), (i32 0), SETGT), bb:$T),
+ (BGTID GPR:$L, bb:$T)>;
+def : Pat<(brcond (setcc (i32 GPR:$L), (i32 0), SETLT), bb:$T),
+ (BLTID GPR:$L, bb:$T)>;
+def : Pat<(brcond (setcc (i32 GPR:$L), (i32 0), SETGE), bb:$T),
+ (BGEID GPR:$L, bb:$T)>;
+def : Pat<(brcond (setcc (i32 GPR:$L), (i32 0), SETLE), bb:$T),
+ (BLEID GPR:$L, bb:$T)>;
+def : Pat<(brcond (setcc (i32 GPR:$L), (i32 0), SETUGT), bb:$T),
+ (BGTID (CMPU (i32 R0), GPR:$L), bb:$T)>;
+def : Pat<(brcond (setcc (i32 GPR:$L), (i32 0), SETULT), bb:$T),
+ (BLTID (CMPU (i32 R0), GPR:$L), bb:$T)>;
+def : Pat<(brcond (setcc (i32 GPR:$L), (i32 0), SETUGE), bb:$T),
+ (BGEID (CMPU (i32 R0), GPR:$L), bb:$T)>;
+def : Pat<(brcond (setcc (i32 GPR:$L), (i32 0), SETULE), bb:$T),
+ (BLEID (CMPU (i32 R0), GPR:$L), bb:$T)>;
+
+def : Pat<(brcond (setcc (i32 0), (i32 GPR:$R), SETEQ), bb:$T),
+ (BEQID GPR:$R, bb:$T)>;
+def : Pat<(brcond (setcc (i32 0), (i32 GPR:$R), SETNE), bb:$T),
+ (BNEID GPR:$R, bb:$T)>;
+def : Pat<(brcond (setcc (i32 0), (i32 GPR:$R), SETGT), bb:$T),
+ (BGTID GPR:$R, bb:$T)>;
+def : Pat<(brcond (setcc (i32 0), (i32 GPR:$R), SETLT), bb:$T),
+ (BLTID GPR:$R, bb:$T)>;
+def : Pat<(brcond (setcc (i32 0), (i32 GPR:$R), SETGE), bb:$T),
+ (BGEID GPR:$R, bb:$T)>;
+def : Pat<(brcond (setcc (i32 0), (i32 GPR:$R), SETLE), bb:$T),
+ (BLEID GPR:$R, bb:$T)>;
+def : Pat<(brcond (setcc (i32 0), (i32 GPR:$R), SETUGT), bb:$T),
+ (BGTID (CMPU GPR:$R, (i32 R0)), bb:$T)>;
+def : Pat<(brcond (setcc (i32 0), (i32 GPR:$R), SETULT), bb:$T),
+ (BLTID (CMPU GPR:$R, (i32 R0)), bb:$T)>;
+def : Pat<(brcond (setcc (i32 0), (i32 GPR:$R), SETUGE), bb:$T),
+ (BGEID (CMPU GPR:$R, (i32 R0)), bb:$T)>;
+def : Pat<(brcond (setcc (i32 0), (i32 GPR:$R), SETULE), bb:$T),
+ (BLEID (CMPU GPR:$R, (i32 R0)), bb:$T)>;
+
def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETEQ), bb:$T),
(BEQID (CMP GPR:$R, GPR:$L), bb:$T)>;
def : Pat<(brcond (setcc (i32 GPR:$L), (i32 GPR:$R), SETNE), bb:$T),
@@ -869,11 +1023,11 @@
def : Pat<(load xaddr:$addr), (i32 (LW xaddr:$addr))>;
// 16-bit load and store
-def : Pat<(truncstorei16 (i32 GPR:$dst), xaddr:$addr), (SH GPR:$dst, xaddr:$addr)>;
+def : Pat<(truncstorei16 (i32 GPR:$dst), xaddr:$ad), (SH GPR:$dst, xaddr:$ad)>;
def : Pat<(zextloadi16 xaddr:$addr), (i32 (LHU xaddr:$addr))>;
// 8-bit load and store
-def : Pat<(truncstorei8 (i32 GPR:$dst), xaddr:$addr), (SB GPR:$dst, xaddr:$addr)>;
+def : Pat<(truncstorei8 (i32 GPR:$dst), xaddr:$ad), (SB GPR:$dst, xaddr:$ad)>;
def : Pat<(zextloadi8 xaddr:$addr), (i32 (LBU xaddr:$addr))>;
// Peepholes
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