[llvm] r320586 - [X86] Add XCHG schedule tests
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Wed Dec 13 07:02:11 PST 2017
Author: rksimon
Date: Wed Dec 13 07:02:10 2017
New Revision: 320586
URL: http://llvm.org/viewvc/llvm-project?rev=320586&view=rev
Log:
[X86] Add XCHG schedule tests
Modified:
llvm/trunk/test/CodeGen/X86/schedule-x86_32.ll
llvm/trunk/test/CodeGen/X86/schedule-x86_64.ll
Modified: llvm/trunk/test/CodeGen/X86/schedule-x86_32.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/schedule-x86_32.ll?rev=320586&r1=320585&r2=320586&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/schedule-x86_32.ll (original)
+++ llvm/trunk/test/CodeGen/X86/schedule-x86_32.ll Wed Dec 13 07:02:10 2017
@@ -1408,3 +1408,127 @@ define i8 @test_salc() optsize {
%1 = tail call i8 asm "salc", "=r"() nounwind
ret i8 %1
}
+
+define void @test_xchg_32(i32 %a0, i32 %a1, i32 *%a2) optsize {
+; GENERIC-LABEL: test_xchg_32:
+; GENERIC: # %bb.0:
+; GENERIC-NEXT: movl {{[0-9]+}}(%esp), %eax
+; GENERIC-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; GENERIC-NEXT: movl {{[0-9]+}}(%esp), %edx
+; GENERIC-NEXT: #APP
+; GENERIC-NEXT: xchgl %eax, %eax
+; GENERIC-NEXT: xchgl %ecx, %eax
+; GENERIC-NEXT: xchgl %eax, (%edx)
+; GENERIC-NEXT: #NO_APP
+; GENERIC-NEXT: retl
+;
+; ATOM-LABEL: test_xchg_32:
+; ATOM: # %bb.0:
+; ATOM-NEXT: movl {{[0-9]+}}(%esp), %eax # sched: [1:1.00]
+; ATOM-NEXT: movl {{[0-9]+}}(%esp), %ecx # sched: [1:1.00]
+; ATOM-NEXT: movl {{[0-9]+}}(%esp), %edx # sched: [1:1.00]
+; ATOM-NEXT: #APP
+; ATOM-NEXT: xchgl %eax, %eax # sched: [2:1.00]
+; ATOM-NEXT: xchgl %ecx, %eax # sched: [2:1.00]
+; ATOM-NEXT: xchgl %eax, (%edx) # sched: [3:1.50]
+; ATOM-NEXT: #NO_APP
+; ATOM-NEXT: retl # sched: [79:39.50]
+;
+; SLM-LABEL: test_xchg_32:
+; SLM: # %bb.0:
+; SLM-NEXT: movl {{[0-9]+}}(%esp), %eax # sched: [3:1.00]
+; SLM-NEXT: movl {{[0-9]+}}(%esp), %ecx # sched: [3:1.00]
+; SLM-NEXT: movl {{[0-9]+}}(%esp), %edx # sched: [3:1.00]
+; SLM-NEXT: #APP
+; SLM-NEXT: xchgl %eax, %eax # sched: [1:0.50]
+; SLM-NEXT: xchgl %ecx, %eax # sched: [1:0.50]
+; SLM-NEXT: xchgl %eax, (%edx) # sched: [4:2.00]
+; SLM-NEXT: #NO_APP
+; SLM-NEXT: retl # sched: [4:1.00]
+;
+; SANDY-LABEL: test_xchg_32:
+; SANDY: # %bb.0:
+; SANDY-NEXT: movl {{[0-9]+}}(%esp), %eax # sched: [5:0.50]
+; SANDY-NEXT: movl {{[0-9]+}}(%esp), %ecx # sched: [5:0.50]
+; SANDY-NEXT: movl {{[0-9]+}}(%esp), %edx # sched: [5:0.50]
+; SANDY-NEXT: #APP
+; SANDY-NEXT: xchgl %eax, %eax # sched: [1:0.33]
+; SANDY-NEXT: xchgl %ecx, %eax # sched: [1:0.33]
+; SANDY-NEXT: xchgl %eax, (%edx) # sched: [5:1.00]
+; SANDY-NEXT: #NO_APP
+; SANDY-NEXT: retl # sched: [5:1.00]
+;
+; HASWELL-LABEL: test_xchg_32:
+; HASWELL: # %bb.0:
+; HASWELL-NEXT: movl {{[0-9]+}}(%esp), %eax # sched: [5:0.50]
+; HASWELL-NEXT: movl {{[0-9]+}}(%esp), %ecx # sched: [5:0.50]
+; HASWELL-NEXT: movl {{[0-9]+}}(%esp), %edx # sched: [5:0.50]
+; HASWELL-NEXT: #APP
+; HASWELL-NEXT: xchgl %eax, %eax # sched: [1:0.25]
+; HASWELL-NEXT: xchgl %ecx, %eax # sched: [1:0.25]
+; HASWELL-NEXT: xchgl %eax, (%edx) # sched: [9:1.00]
+; HASWELL-NEXT: #NO_APP
+; HASWELL-NEXT: retl # sched: [7:1.00]
+;
+; BROADWELL-LABEL: test_xchg_32:
+; BROADWELL: # %bb.0:
+; BROADWELL-NEXT: movl {{[0-9]+}}(%esp), %eax # sched: [5:0.50]
+; BROADWELL-NEXT: movl {{[0-9]+}}(%esp), %ecx # sched: [5:0.50]
+; BROADWELL-NEXT: movl {{[0-9]+}}(%esp), %edx # sched: [5:0.50]
+; BROADWELL-NEXT: #APP
+; BROADWELL-NEXT: xchgl %eax, %eax # sched: [1:0.25]
+; BROADWELL-NEXT: xchgl %ecx, %eax # sched: [1:0.25]
+; BROADWELL-NEXT: xchgl %eax, (%edx) # sched: [8:1.00]
+; BROADWELL-NEXT: #NO_APP
+; BROADWELL-NEXT: retl # sched: [6:0.50]
+;
+; SKYLAKE-LABEL: test_xchg_32:
+; SKYLAKE: # %bb.0:
+; SKYLAKE-NEXT: movl {{[0-9]+}}(%esp), %eax # sched: [5:0.50]
+; SKYLAKE-NEXT: movl {{[0-9]+}}(%esp), %ecx # sched: [5:0.50]
+; SKYLAKE-NEXT: movl {{[0-9]+}}(%esp), %edx # sched: [5:0.50]
+; SKYLAKE-NEXT: #APP
+; SKYLAKE-NEXT: xchgl %eax, %eax # sched: [1:0.25]
+; SKYLAKE-NEXT: xchgl %ecx, %eax # sched: [1:0.25]
+; SKYLAKE-NEXT: xchgl %eax, (%edx) # sched: [10:1.25]
+; SKYLAKE-NEXT: #NO_APP
+; SKYLAKE-NEXT: retl # sched: [6:0.50]
+;
+; SKX-LABEL: test_xchg_32:
+; SKX: # %bb.0:
+; SKX-NEXT: movl {{[0-9]+}}(%esp), %eax # sched: [5:0.50]
+; SKX-NEXT: movl {{[0-9]+}}(%esp), %ecx # sched: [5:0.50]
+; SKX-NEXT: movl {{[0-9]+}}(%esp), %edx # sched: [5:0.50]
+; SKX-NEXT: #APP
+; SKX-NEXT: xchgl %eax, %eax # sched: [1:0.25]
+; SKX-NEXT: xchgl %ecx, %eax # sched: [1:0.25]
+; SKX-NEXT: xchgl %eax, (%edx) # sched: [10:1.25]
+; SKX-NEXT: #NO_APP
+; SKX-NEXT: retl # sched: [6:0.50]
+;
+; BTVER2-LABEL: test_xchg_32:
+; BTVER2: # %bb.0:
+; BTVER2-NEXT: movl {{[0-9]+}}(%esp), %eax # sched: [5:1.00]
+; BTVER2-NEXT: movl {{[0-9]+}}(%esp), %ecx # sched: [5:1.00]
+; BTVER2-NEXT: movl {{[0-9]+}}(%esp), %edx # sched: [5:1.00]
+; BTVER2-NEXT: #APP
+; BTVER2-NEXT: xchgl %eax, %eax # sched: [1:0.50]
+; BTVER2-NEXT: xchgl %ecx, %eax # sched: [1:0.50]
+; BTVER2-NEXT: xchgl %eax, (%edx) # sched: [4:1.00]
+; BTVER2-NEXT: #NO_APP
+; BTVER2-NEXT: retl # sched: [4:1.00]
+;
+; ZNVER1-LABEL: test_xchg_32:
+; ZNVER1: # %bb.0:
+; ZNVER1-NEXT: movl {{[0-9]+}}(%esp), %eax # sched: [8:0.50]
+; ZNVER1-NEXT: movl {{[0-9]+}}(%esp), %ecx # sched: [8:0.50]
+; ZNVER1-NEXT: movl {{[0-9]+}}(%esp), %edx # sched: [8:0.50]
+; ZNVER1-NEXT: #APP
+; ZNVER1-NEXT: xchgl %eax, %eax # sched: [1:0.50]
+; ZNVER1-NEXT: xchgl %ecx, %eax # sched: [1:0.50]
+; ZNVER1-NEXT: xchgl %eax, (%edx) # sched: [5:0.50]
+; ZNVER1-NEXT: #NO_APP
+; ZNVER1-NEXT: retl # sched: [1:0.50]
+ tail call void asm "xchg %EAX, $0 \0A\09 xchg $1, $0 \0A\09 xchg $2, $0", "r,r,*m"(i32 %a0, i32 %a1, i32 *%a2) nounwind
+ ret void
+}
Modified: llvm/trunk/test/CodeGen/X86/schedule-x86_64.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/schedule-x86_64.ll?rev=320586&r1=320585&r2=320586&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/schedule-x86_64.ll (original)
+++ llvm/trunk/test/CodeGen/X86/schedule-x86_64.ll Wed Dec 13 07:02:10 2017
@@ -15204,7 +15204,368 @@ define void @test_xadd_64(i64 %a0, i64 %
ret void
}
-; TODO - test_xchg
+define void @test_xchg_8(i8 %a0, i8 %a1, i8 *%a2) optsize {
+; GENERIC-LABEL: test_xchg_8:
+; GENERIC: # %bb.0:
+; GENERIC-NEXT: #APP
+; GENERIC-NEXT: xchgb %sil, %dil # sched: [1:0.33]
+; GENERIC-NEXT: xchgb %dil, (%rdx) # sched: [5:1.00]
+; GENERIC-NEXT: #NO_APP
+; GENERIC-NEXT: retq # sched: [1:1.00]
+;
+; ATOM-LABEL: test_xchg_8:
+; ATOM: # %bb.0:
+; ATOM-NEXT: #APP
+; ATOM-NEXT: xchgb %sil, %dil # sched: [2:1.00]
+; ATOM-NEXT: xchgb %dil, (%rdx) # sched: [3:1.50]
+; ATOM-NEXT: #NO_APP
+; ATOM-NEXT: retq # sched: [79:39.50]
+;
+; SLM-LABEL: test_xchg_8:
+; SLM: # %bb.0:
+; SLM-NEXT: #APP
+; SLM-NEXT: xchgb %sil, %dil # sched: [1:0.50]
+; SLM-NEXT: xchgb %dil, (%rdx) # sched: [4:2.00]
+; SLM-NEXT: #NO_APP
+; SLM-NEXT: retq # sched: [4:1.00]
+;
+; SANDY-LABEL: test_xchg_8:
+; SANDY: # %bb.0:
+; SANDY-NEXT: #APP
+; SANDY-NEXT: xchgb %sil, %dil # sched: [1:0.33]
+; SANDY-NEXT: xchgb %dil, (%rdx) # sched: [5:1.00]
+; SANDY-NEXT: #NO_APP
+; SANDY-NEXT: retq # sched: [1:1.00]
+;
+; HASWELL-LABEL: test_xchg_8:
+; HASWELL: # %bb.0:
+; HASWELL-NEXT: #APP
+; HASWELL-NEXT: xchgb %sil, %dil # sched: [3:0.75]
+; HASWELL-NEXT: xchgb %dil, (%rdx) # sched: [9:1.00]
+; HASWELL-NEXT: #NO_APP
+; HASWELL-NEXT: retq # sched: [7:1.00]
+;
+; BROADWELL-LABEL: test_xchg_8:
+; BROADWELL: # %bb.0:
+; BROADWELL-NEXT: #APP
+; BROADWELL-NEXT: xchgb %sil, %dil # sched: [3:0.75]
+; BROADWELL-NEXT: xchgb %dil, (%rdx) # sched: [8:1.00]
+; BROADWELL-NEXT: #NO_APP
+; BROADWELL-NEXT: retq # sched: [7:1.00]
+;
+; SKYLAKE-LABEL: test_xchg_8:
+; SKYLAKE: # %bb.0:
+; SKYLAKE-NEXT: #APP
+; SKYLAKE-NEXT: xchgb %sil, %dil # sched: [3:0.75]
+; SKYLAKE-NEXT: xchgb %dil, (%rdx) # sched: [10:1.25]
+; SKYLAKE-NEXT: #NO_APP
+; SKYLAKE-NEXT: retq # sched: [7:1.00]
+;
+; SKX-LABEL: test_xchg_8:
+; SKX: # %bb.0:
+; SKX-NEXT: #APP
+; SKX-NEXT: xchgb %sil, %dil # sched: [3:0.75]
+; SKX-NEXT: xchgb %dil, (%rdx) # sched: [10:1.25]
+; SKX-NEXT: #NO_APP
+; SKX-NEXT: retq # sched: [7:1.00]
+;
+; BTVER2-LABEL: test_xchg_8:
+; BTVER2: # %bb.0:
+; BTVER2-NEXT: #APP
+; BTVER2-NEXT: xchgb %sil, %dil # sched: [1:0.50]
+; BTVER2-NEXT: xchgb %dil, (%rdx) # sched: [4:1.00]
+; BTVER2-NEXT: #NO_APP
+; BTVER2-NEXT: retq # sched: [4:1.00]
+;
+; ZNVER1-LABEL: test_xchg_8:
+; ZNVER1: # %bb.0:
+; ZNVER1-NEXT: #APP
+; ZNVER1-NEXT: xchgb %sil, %dil # sched: [1:0.50]
+; ZNVER1-NEXT: xchgb %dil, (%rdx) # sched: [5:0.50]
+; ZNVER1-NEXT: #NO_APP
+; ZNVER1-NEXT: retq # sched: [1:0.50]
+ tail call void asm "xchg $1, $0 \0A\09 xchg $2, $0", "r,r,*m"(i8 %a0, i8 %a1, i8 *%a2) nounwind
+ ret void
+}
+define void @test_xchg_16(i16 %a0, i16 %a1, i16 *%a2) optsize {
+; GENERIC-LABEL: test_xchg_16:
+; GENERIC: # %bb.0:
+; GENERIC-NEXT: #APP
+; GENERIC-NEXT: xchgw %di, %ax # sched: [1:0.33]
+; GENERIC-NEXT: xchgw %si, %di # sched: [1:0.33]
+; GENERIC-NEXT: xchgw %di, (%rdx) # sched: [5:1.00]
+; GENERIC-NEXT: #NO_APP
+; GENERIC-NEXT: retq # sched: [1:1.00]
+;
+; ATOM-LABEL: test_xchg_16:
+; ATOM: # %bb.0:
+; ATOM-NEXT: #APP
+; ATOM-NEXT: xchgw %di, %ax # sched: [2:1.00]
+; ATOM-NEXT: xchgw %si, %di # sched: [2:1.00]
+; ATOM-NEXT: xchgw %di, (%rdx) # sched: [3:1.50]
+; ATOM-NEXT: #NO_APP
+; ATOM-NEXT: retq # sched: [79:39.50]
+;
+; SLM-LABEL: test_xchg_16:
+; SLM: # %bb.0:
+; SLM-NEXT: #APP
+; SLM-NEXT: xchgw %di, %ax # sched: [1:0.50]
+; SLM-NEXT: xchgw %si, %di # sched: [1:0.50]
+; SLM-NEXT: xchgw %di, (%rdx) # sched: [4:2.00]
+; SLM-NEXT: #NO_APP
+; SLM-NEXT: retq # sched: [4:1.00]
+;
+; SANDY-LABEL: test_xchg_16:
+; SANDY: # %bb.0:
+; SANDY-NEXT: #APP
+; SANDY-NEXT: xchgw %di, %ax # sched: [1:0.33]
+; SANDY-NEXT: xchgw %si, %di # sched: [1:0.33]
+; SANDY-NEXT: xchgw %di, (%rdx) # sched: [5:1.00]
+; SANDY-NEXT: #NO_APP
+; SANDY-NEXT: retq # sched: [1:1.00]
+;
+; HASWELL-LABEL: test_xchg_16:
+; HASWELL: # %bb.0:
+; HASWELL-NEXT: #APP
+; HASWELL-NEXT: xchgw %di, %ax # sched: [1:0.25]
+; HASWELL-NEXT: xchgw %si, %di # sched: [1:0.25]
+; HASWELL-NEXT: xchgw %di, (%rdx) # sched: [9:1.00]
+; HASWELL-NEXT: #NO_APP
+; HASWELL-NEXT: retq # sched: [7:1.00]
+;
+; BROADWELL-LABEL: test_xchg_16:
+; BROADWELL: # %bb.0:
+; BROADWELL-NEXT: #APP
+; BROADWELL-NEXT: xchgw %di, %ax # sched: [1:0.25]
+; BROADWELL-NEXT: xchgw %si, %di # sched: [1:0.25]
+; BROADWELL-NEXT: xchgw %di, (%rdx) # sched: [8:1.00]
+; BROADWELL-NEXT: #NO_APP
+; BROADWELL-NEXT: retq # sched: [7:1.00]
+;
+; SKYLAKE-LABEL: test_xchg_16:
+; SKYLAKE: # %bb.0:
+; SKYLAKE-NEXT: #APP
+; SKYLAKE-NEXT: xchgw %di, %ax # sched: [1:0.25]
+; SKYLAKE-NEXT: xchgw %si, %di # sched: [1:0.25]
+; SKYLAKE-NEXT: xchgw %di, (%rdx) # sched: [10:1.25]
+; SKYLAKE-NEXT: #NO_APP
+; SKYLAKE-NEXT: retq # sched: [7:1.00]
+;
+; SKX-LABEL: test_xchg_16:
+; SKX: # %bb.0:
+; SKX-NEXT: #APP
+; SKX-NEXT: xchgw %di, %ax # sched: [1:0.25]
+; SKX-NEXT: xchgw %si, %di # sched: [1:0.25]
+; SKX-NEXT: xchgw %di, (%rdx) # sched: [10:1.25]
+; SKX-NEXT: #NO_APP
+; SKX-NEXT: retq # sched: [7:1.00]
+;
+; BTVER2-LABEL: test_xchg_16:
+; BTVER2: # %bb.0:
+; BTVER2-NEXT: #APP
+; BTVER2-NEXT: xchgw %di, %ax # sched: [1:0.50]
+; BTVER2-NEXT: xchgw %si, %di # sched: [1:0.50]
+; BTVER2-NEXT: xchgw %di, (%rdx) # sched: [4:1.00]
+; BTVER2-NEXT: #NO_APP
+; BTVER2-NEXT: retq # sched: [4:1.00]
+;
+; ZNVER1-LABEL: test_xchg_16:
+; ZNVER1: # %bb.0:
+; ZNVER1-NEXT: #APP
+; ZNVER1-NEXT: xchgw %di, %ax # sched: [1:0.50]
+; ZNVER1-NEXT: xchgw %si, %di # sched: [1:0.50]
+; ZNVER1-NEXT: xchgw %di, (%rdx) # sched: [5:0.50]
+; ZNVER1-NEXT: #NO_APP
+; ZNVER1-NEXT: retq # sched: [1:0.50]
+ tail call void asm "xchg %AX, $0 \0A\09 xchg $1, $0 \0A\09 xchg $2, $0", "r,r,*m"(i16 %a0, i16 %a1, i16 *%a2) nounwind
+ ret void
+}
+define void @test_xchg_32(i32 %a0, i32 %a1, i32 *%a2) optsize {
+; GENERIC-LABEL: test_xchg_32:
+; GENERIC: # %bb.0:
+; GENERIC-NEXT: #APP
+; GENERIC-NEXT: xchgl %edi, %eax # sched: [1:0.33]
+; GENERIC-NEXT: xchgl %esi, %edi # sched: [1:0.33]
+; GENERIC-NEXT: xchgl %edi, (%rdx) # sched: [5:1.00]
+; GENERIC-NEXT: #NO_APP
+; GENERIC-NEXT: retq # sched: [1:1.00]
+;
+; ATOM-LABEL: test_xchg_32:
+; ATOM: # %bb.0:
+; ATOM-NEXT: #APP
+; ATOM-NEXT: xchgl %edi, %eax # sched: [2:1.00]
+; ATOM-NEXT: xchgl %esi, %edi # sched: [2:1.00]
+; ATOM-NEXT: xchgl %edi, (%rdx) # sched: [3:1.50]
+; ATOM-NEXT: #NO_APP
+; ATOM-NEXT: retq # sched: [79:39.50]
+;
+; SLM-LABEL: test_xchg_32:
+; SLM: # %bb.0:
+; SLM-NEXT: #APP
+; SLM-NEXT: xchgl %edi, %eax # sched: [1:0.50]
+; SLM-NEXT: xchgl %esi, %edi # sched: [1:0.50]
+; SLM-NEXT: xchgl %edi, (%rdx) # sched: [4:2.00]
+; SLM-NEXT: #NO_APP
+; SLM-NEXT: retq # sched: [4:1.00]
+;
+; SANDY-LABEL: test_xchg_32:
+; SANDY: # %bb.0:
+; SANDY-NEXT: #APP
+; SANDY-NEXT: xchgl %edi, %eax # sched: [1:0.33]
+; SANDY-NEXT: xchgl %esi, %edi # sched: [1:0.33]
+; SANDY-NEXT: xchgl %edi, (%rdx) # sched: [5:1.00]
+; SANDY-NEXT: #NO_APP
+; SANDY-NEXT: retq # sched: [1:1.00]
+;
+; HASWELL-LABEL: test_xchg_32:
+; HASWELL: # %bb.0:
+; HASWELL-NEXT: #APP
+; HASWELL-NEXT: xchgl %edi, %eax # sched: [1:0.25]
+; HASWELL-NEXT: xchgl %esi, %edi # sched: [1:0.25]
+; HASWELL-NEXT: xchgl %edi, (%rdx) # sched: [9:1.00]
+; HASWELL-NEXT: #NO_APP
+; HASWELL-NEXT: retq # sched: [7:1.00]
+;
+; BROADWELL-LABEL: test_xchg_32:
+; BROADWELL: # %bb.0:
+; BROADWELL-NEXT: #APP
+; BROADWELL-NEXT: xchgl %edi, %eax # sched: [1:0.25]
+; BROADWELL-NEXT: xchgl %esi, %edi # sched: [1:0.25]
+; BROADWELL-NEXT: xchgl %edi, (%rdx) # sched: [8:1.00]
+; BROADWELL-NEXT: #NO_APP
+; BROADWELL-NEXT: retq # sched: [7:1.00]
+;
+; SKYLAKE-LABEL: test_xchg_32:
+; SKYLAKE: # %bb.0:
+; SKYLAKE-NEXT: #APP
+; SKYLAKE-NEXT: xchgl %edi, %eax # sched: [1:0.25]
+; SKYLAKE-NEXT: xchgl %esi, %edi # sched: [1:0.25]
+; SKYLAKE-NEXT: xchgl %edi, (%rdx) # sched: [10:1.25]
+; SKYLAKE-NEXT: #NO_APP
+; SKYLAKE-NEXT: retq # sched: [7:1.00]
+;
+; SKX-LABEL: test_xchg_32:
+; SKX: # %bb.0:
+; SKX-NEXT: #APP
+; SKX-NEXT: xchgl %edi, %eax # sched: [1:0.25]
+; SKX-NEXT: xchgl %esi, %edi # sched: [1:0.25]
+; SKX-NEXT: xchgl %edi, (%rdx) # sched: [10:1.25]
+; SKX-NEXT: #NO_APP
+; SKX-NEXT: retq # sched: [7:1.00]
+;
+; BTVER2-LABEL: test_xchg_32:
+; BTVER2: # %bb.0:
+; BTVER2-NEXT: #APP
+; BTVER2-NEXT: xchgl %edi, %eax # sched: [1:0.50]
+; BTVER2-NEXT: xchgl %esi, %edi # sched: [1:0.50]
+; BTVER2-NEXT: xchgl %edi, (%rdx) # sched: [4:1.00]
+; BTVER2-NEXT: #NO_APP
+; BTVER2-NEXT: retq # sched: [4:1.00]
+;
+; ZNVER1-LABEL: test_xchg_32:
+; ZNVER1: # %bb.0:
+; ZNVER1-NEXT: #APP
+; ZNVER1-NEXT: xchgl %edi, %eax # sched: [1:0.50]
+; ZNVER1-NEXT: xchgl %esi, %edi # sched: [1:0.50]
+; ZNVER1-NEXT: xchgl %edi, (%rdx) # sched: [5:0.50]
+; ZNVER1-NEXT: #NO_APP
+; ZNVER1-NEXT: retq # sched: [1:0.50]
+ tail call void asm "xchg %EAX, $0 \0A\09 xchg $1, $0 \0A\09 xchg $2, $0", "r,r,*m"(i32 %a0, i32 %a1, i32 *%a2) nounwind
+ ret void
+}
+define void @test_xchg_64(i64 %a0, i64 %a1, i64 *%a2) optsize {
+; GENERIC-LABEL: test_xchg_64:
+; GENERIC: # %bb.0:
+; GENERIC-NEXT: #APP
+; GENERIC-NEXT: xchgq %rdi, %rax # sched: [1:0.33]
+; GENERIC-NEXT: xchgq %rsi, %rdi # sched: [1:0.33]
+; GENERIC-NEXT: xchgq %rdi, (%rdx) # sched: [5:1.00]
+; GENERIC-NEXT: #NO_APP
+; GENERIC-NEXT: retq # sched: [1:1.00]
+;
+; ATOM-LABEL: test_xchg_64:
+; ATOM: # %bb.0:
+; ATOM-NEXT: #APP
+; ATOM-NEXT: xchgq %rdi, %rax # sched: [2:1.00]
+; ATOM-NEXT: xchgq %rsi, %rdi # sched: [2:1.00]
+; ATOM-NEXT: xchgq %rdi, (%rdx) # sched: [3:1.50]
+; ATOM-NEXT: #NO_APP
+; ATOM-NEXT: retq # sched: [79:39.50]
+;
+; SLM-LABEL: test_xchg_64:
+; SLM: # %bb.0:
+; SLM-NEXT: #APP
+; SLM-NEXT: xchgq %rdi, %rax # sched: [1:0.50]
+; SLM-NEXT: xchgq %rsi, %rdi # sched: [1:0.50]
+; SLM-NEXT: xchgq %rdi, (%rdx) # sched: [4:2.00]
+; SLM-NEXT: #NO_APP
+; SLM-NEXT: retq # sched: [4:1.00]
+;
+; SANDY-LABEL: test_xchg_64:
+; SANDY: # %bb.0:
+; SANDY-NEXT: #APP
+; SANDY-NEXT: xchgq %rdi, %rax # sched: [1:0.33]
+; SANDY-NEXT: xchgq %rsi, %rdi # sched: [1:0.33]
+; SANDY-NEXT: xchgq %rdi, (%rdx) # sched: [5:1.00]
+; SANDY-NEXT: #NO_APP
+; SANDY-NEXT: retq # sched: [1:1.00]
+;
+; HASWELL-LABEL: test_xchg_64:
+; HASWELL: # %bb.0:
+; HASWELL-NEXT: #APP
+; HASWELL-NEXT: xchgq %rdi, %rax # sched: [1:0.25]
+; HASWELL-NEXT: xchgq %rsi, %rdi # sched: [1:0.25]
+; HASWELL-NEXT: xchgq %rdi, (%rdx) # sched: [9:1.00]
+; HASWELL-NEXT: #NO_APP
+; HASWELL-NEXT: retq # sched: [7:1.00]
+;
+; BROADWELL-LABEL: test_xchg_64:
+; BROADWELL: # %bb.0:
+; BROADWELL-NEXT: #APP
+; BROADWELL-NEXT: xchgq %rdi, %rax # sched: [1:0.25]
+; BROADWELL-NEXT: xchgq %rsi, %rdi # sched: [1:0.25]
+; BROADWELL-NEXT: xchgq %rdi, (%rdx) # sched: [8:1.00]
+; BROADWELL-NEXT: #NO_APP
+; BROADWELL-NEXT: retq # sched: [7:1.00]
+;
+; SKYLAKE-LABEL: test_xchg_64:
+; SKYLAKE: # %bb.0:
+; SKYLAKE-NEXT: #APP
+; SKYLAKE-NEXT: xchgq %rdi, %rax # sched: [1:0.25]
+; SKYLAKE-NEXT: xchgq %rsi, %rdi # sched: [1:0.25]
+; SKYLAKE-NEXT: xchgq %rdi, (%rdx) # sched: [10:1.25]
+; SKYLAKE-NEXT: #NO_APP
+; SKYLAKE-NEXT: retq # sched: [7:1.00]
+;
+; SKX-LABEL: test_xchg_64:
+; SKX: # %bb.0:
+; SKX-NEXT: #APP
+; SKX-NEXT: xchgq %rdi, %rax # sched: [1:0.25]
+; SKX-NEXT: xchgq %rsi, %rdi # sched: [1:0.25]
+; SKX-NEXT: xchgq %rdi, (%rdx) # sched: [10:1.25]
+; SKX-NEXT: #NO_APP
+; SKX-NEXT: retq # sched: [7:1.00]
+;
+; BTVER2-LABEL: test_xchg_64:
+; BTVER2: # %bb.0:
+; BTVER2-NEXT: #APP
+; BTVER2-NEXT: xchgq %rdi, %rax # sched: [1:0.50]
+; BTVER2-NEXT: xchgq %rsi, %rdi # sched: [1:0.50]
+; BTVER2-NEXT: xchgq %rdi, (%rdx) # sched: [4:1.00]
+; BTVER2-NEXT: #NO_APP
+; BTVER2-NEXT: retq # sched: [4:1.00]
+;
+; ZNVER1-LABEL: test_xchg_64:
+; ZNVER1: # %bb.0:
+; ZNVER1-NEXT: #APP
+; ZNVER1-NEXT: xchgq %rdi, %rax # sched: [1:0.50]
+; ZNVER1-NEXT: xchgq %rsi, %rdi # sched: [1:0.50]
+; ZNVER1-NEXT: xchgq %rdi, (%rdx) # sched: [5:0.50]
+; ZNVER1-NEXT: #NO_APP
+; ZNVER1-NEXT: retq # sched: [1:0.50]
+ tail call void asm "xchg %RAX, $0 \0A\09 xchg $1, $0 \0A\09 xchg $2, $0", "r,r,*m"(i64 %a0, i64 %a1, i64 *%a2) nounwind
+ ret void
+}
define void @test_xlat() optsize {
; GENERIC-LABEL: test_xlat:
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