Nate Begeman 087d5d92f1 Implement floating point select for lt, gt, le, ge using the powerpc fsel ... instruction. Now, rather than emitting the following loop out of bisect: .LBB_main_19: ; no_exit.0.i rlwinm r3, r2, 3, 0, 28 lfdx f1, r3, r27 addis r3, r30, ha16(.CPI_main_1-"L00000$pb") lfd f2, lo16(.CPI_main_1-"L00000$pb")(r3) fsub f2, f2, f1 addis r3, r30, ha16(.CPI_main_1-"L00000$pb") lfd f4, lo16(.CPI_main_1-"L00000$pb")(r3) fcmpu cr0, f1, f4 bge .LBB_main_64 ; no_exit.0.i .LBB_main_63: ; no_exit.0.i b .LBB_main_65 ; no_exit.0.i .LBB_main_64: ; no_exit.0.i fmr f2, f1 .LBB_main_65: ; no_exit.0.i addi r3, r2, 1 rlwinm r3, r3, 3, 0, 28 lfdx f1, r3, r27 addis r3, r30, ha16(.CPI_main_1-"L00000$pb") lfd f4, lo16(.CPI_main_1-"L00000$pb")(r3) fsub f4, f4, f1 addis r3, r30, ha16(.CPI_main_1-"L00000$pb") lfd f5, lo16(.CPI_main_1-"L00000$pb")(r3) fcmpu cr0, f1, f5 bge .LBB_main_67 ; no_exit.0.i .LBB_main_66: ; no_exit.0.i b .LBB_main_68 ; no_exit.0.i .LBB_main_67: ; no_exit.0.i fmr f4, f1 .LBB_main_68: ; no_exit.0.i fadd f1, f2, f4 addis r3, r30, ha16(.CPI_main_2-"L00000$pb") lfd f2, lo16(.CPI_main_2-"L00000$pb")(r3) fmul f1, f1, f2 rlwinm r3, r2, 3, 0, 28 lfdx f2, r3, r28 fadd f4, f2, f1 fcmpu cr0, f4, f0 bgt .LBB_main_70 ; no_exit.0.i .LBB_main_69: ; no_exit.0.i b .LBB_main_71 ; no_exit.0.i .LBB_main_70: ; no_exit.0.i fmr f0, f4 .LBB_main_71: ; no_exit.0.i fsub f1, f2, f1 addi r2, r2, -1 fcmpu cr0, f1, f3 blt .LBB_main_73 ; no_exit.0.i .LBB_main_72: ; no_exit.0.i b .LBB_main_74 ; no_exit.0.i .LBB_main_73: ; no_exit.0.i fmr f3, f1 .LBB_main_74: ; no_exit.0.i cmpwi cr0, r2, -1 fmr f16, f0 fmr f17, f3 bgt .LBB_main_19 ; no_exit.0.i We emit this instead: .LBB_main_19: ; no_exit.0.i rlwinm r3, r2, 3, 0, 28 lfdx f1, r3, r27 addis r3, r30, ha16(.CPI_main_1-"L00000$pb") lfd f2, lo16(.CPI_main_1-"L00000$pb")(r3) fsub f2, f2, f1 fsel f1, f1, f1, f2 addi r3, r2, 1 rlwinm r3, r3, 3, 0, 28 lfdx f2, r3, r27 addis r3, r30, ha16(.CPI_main_1-"L00000$pb") lfd f4, lo16(.CPI_main_1-"L00000$pb")(r3) fsub f4, f4, f2 fsel f2, f2, f2, f4 fadd f1, f1, f2 addis r3, r30, ha16(.CPI_main_2-"L00000$pb") lfd f2, lo16(.CPI_main_2-"L00000$pb")(r3) fmul f1, f1, f2 rlwinm r3, r2, 3, 0, 28 lfdx f2, r3, r28 fadd f4, f2, f1 fsub f5, f0, f4 fsel f0, f5, f0, f4 fsub f1, f2, f1 addi r2, r2, -1 fsub f2, f1, f3 fsel f3, f2, f3, f1 cmpwi cr0, r2, -1 fmr f16, f0 fmr f17, f3 bgt .LBB_main_19 ; no_exit.0.i git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16764 91177308-0d34-0410-b5e6-96231b3b80d8		2004-10-06 09:53:04 +00:00
..
CBackend	Really fix FreeBSD, which apparently doesn't tolerate the extern.	2004-10-06 04:21:52 +00:00
PowerPC	Implement floating point select for lt, gt, le, ge using the powerpc fsel	2004-10-06 09:53:04 +00:00
Skeleton	Make sure to set the operand list	2004-09-21 17:30:54 +00:00
Sparc	I think this will handle double args.	2004-09-30 19:44:32 +00:00
SparcV8	I think this will handle double args.	2004-09-30 19:44:32 +00:00
SparcV9	Make EmitMappingInfo into an "external location" option, so that it can be set	2004-09-30 20:20:01 +00:00
X86	Codegen signed mod by 2 or -2 more efficiently. Instead of generating:	2004-10-06 05:01:07 +00:00
Makefile	Targets are independent of each other, so compile them in parallel	2004-09-15 01:34:25 +00:00
MRegisterInfo.cpp	Add getAllocatableSet() function.	2004-08-26 22:21:04 +00:00
Target.td	Add initial support for variants	2004-10-03 19:34:18 +00:00
TargetData.cpp	Changes For Bug 352	2004-09-01 22:55:40 +00:00
TargetFrameInfo.cpp	Remove dead methods	2004-08-12 18:37:15 +00:00
TargetInstrInfo.cpp	ConstantTypeMustBeLoaded has been incorporated into SparcV9PreSelection, its	2004-07-27 21:43:38 +00:00
TargetMachine.cpp	Changes For Bug 352	2004-09-01 22:55:40 +00:00
TargetMachineRegistry.cpp	Implement TargetRegistrationListener	2004-07-11 06:03:21 +00:00
TargetSchedInfo.cpp	Since we use alloca now make sure we include the proper headers for it.	2004-09-28 02:53:15 +00:00