move the note to the correct README

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58104 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/README.txt b/lib/Target/README.txt
index b3018b21dd901a1a713710442bc28e78d5e6f34c..c4161c36c373569700a993ac34bd327ce9c2dd60 100644 (file)
--- a/lib/Target/README.txt
+++ b/lib/Target/README.txt
@@ -984,98 +984,3 @@ define i1 @test(i8 %x) {
 }
 
 //===---------------------------------------------------------------------===//
-
-This code:
-
-int foo(const char *str,...)
-{
- __builtin_va_list a; int x;
- __builtin_va_start(a,str); x = __builtin_va_arg(a,int); __builtin_va_end(a);
- return x;
-}
-
-gets compiled into this on x86-64:
-       subq    $200, %rsp
-        movaps  %xmm7, 160(%rsp)
-        movaps  %xmm6, 144(%rsp)
-        movaps  %xmm5, 128(%rsp)
-        movaps  %xmm4, 112(%rsp)
-        movaps  %xmm3, 96(%rsp)
-        movaps  %xmm2, 80(%rsp)
-        movaps  %xmm1, 64(%rsp)
-        movaps  %xmm0, 48(%rsp)
-        movq    %r9, 40(%rsp)
-        movq    %r8, 32(%rsp)
-        movq    %rcx, 24(%rsp)
-        movq    %rdx, 16(%rsp)
-        movq    %rsi, 8(%rsp)
-        leaq    (%rsp), %rax
-        movq    %rax, 192(%rsp)
-        leaq    208(%rsp), %rax
-        movq    %rax, 184(%rsp)
-        movl    $48, 180(%rsp)
-        movl    $8, 176(%rsp)
-        movl    176(%rsp), %eax
-        cmpl    $47, %eax
-        jbe     .LBB1_3 # bb
-.LBB1_1:        # bb3
-        movq    184(%rsp), %rcx
-        leaq    8(%rcx), %rax
-        movq    %rax, 184(%rsp)
-.LBB1_2:        # bb4
-        movl    (%rcx), %eax
-        addq    $200, %rsp
-        ret
-.LBB1_3:        # bb
-        movl    %eax, %ecx
-        addl    $8, %eax
-        addq    192(%rsp), %rcx
-        movl    %eax, 176(%rsp)
-        jmp     .LBB1_2 # bb4
-
-gcc 4.3 generates:
-       subq    $96, %rsp
-.LCFI0:
-        leaq    104(%rsp), %rax
-        movq    %rsi, -80(%rsp)
-        movl    $8, -120(%rsp)
-        movq    %rax, -112(%rsp)
-        leaq    -88(%rsp), %rax
-        movq    %rax, -104(%rsp)
-        movl    $8, %eax
-        cmpl    $48, %eax
-        jb      .L6
-        movq    -112(%rsp), %rdx
-        movl    (%rdx), %eax
-        addq    $96, %rsp
-        ret
-        .p2align 4,,10
-        .p2align 3
-.L6:
-        mov     %eax, %edx
-        addq    -104(%rsp), %rdx
-        addl    $8, %eax
-        movl    %eax, -120(%rsp)
-        movl    (%rdx), %eax
-        addq    $96, %rsp
-        ret
-
-and it gets compiled into this on x86:
-       pushl   %ebp
-        movl    %esp, %ebp
-        subl    $4, %esp
-        leal    12(%ebp), %eax
-        movl    %eax, -4(%ebp)
-        leal    16(%ebp), %eax
-        movl    %eax, -4(%ebp)
-        movl    12(%ebp), %eax
-        addl    $4, %esp
-        popl    %ebp
-        ret
-
-gcc 4.3 generates:
-       pushl   %ebp
-        movl    %esp, %ebp
-        movl    12(%ebp), %eax
-        popl    %ebp
-        ret

diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt
index 8824822dc9533420120710c786faba2bb7505ca4..53c002b2822b7e6016e46a13d2d8afac493a7117 100644 (file)
--- a/lib/Target/X86/README.txt
+++ b/lib/Target/X86/README.txt
@@ -1676,3 +1676,100 @@ _test:
        ret
 
 it would be better to codegen as: x+~y  (notl+addl)
+
+//===---------------------------------------------------------------------===//
+
+This code:
+
+int foo(const char *str,...)
+{
+ __builtin_va_list a; int x;
+ __builtin_va_start(a,str); x = __builtin_va_arg(a,int); __builtin_va_end(a);
+ return x;
+}
+
+gets compiled into this on x86-64:
+       subq    $200, %rsp
+        movaps  %xmm7, 160(%rsp)
+        movaps  %xmm6, 144(%rsp)
+        movaps  %xmm5, 128(%rsp)
+        movaps  %xmm4, 112(%rsp)
+        movaps  %xmm3, 96(%rsp)
+        movaps  %xmm2, 80(%rsp)
+        movaps  %xmm1, 64(%rsp)
+        movaps  %xmm0, 48(%rsp)
+        movq    %r9, 40(%rsp)
+        movq    %r8, 32(%rsp)
+        movq    %rcx, 24(%rsp)
+        movq    %rdx, 16(%rsp)
+        movq    %rsi, 8(%rsp)
+        leaq    (%rsp), %rax
+        movq    %rax, 192(%rsp)
+        leaq    208(%rsp), %rax
+        movq    %rax, 184(%rsp)
+        movl    $48, 180(%rsp)
+        movl    $8, 176(%rsp)
+        movl    176(%rsp), %eax
+        cmpl    $47, %eax
+        jbe     .LBB1_3 # bb
+.LBB1_1:        # bb3
+        movq    184(%rsp), %rcx
+        leaq    8(%rcx), %rax
+        movq    %rax, 184(%rsp)
+.LBB1_2:        # bb4
+        movl    (%rcx), %eax
+        addq    $200, %rsp
+        ret
+.LBB1_3:        # bb
+        movl    %eax, %ecx
+        addl    $8, %eax
+        addq    192(%rsp), %rcx
+        movl    %eax, 176(%rsp)
+        jmp     .LBB1_2 # bb4
+
+gcc 4.3 generates:
+       subq    $96, %rsp
+.LCFI0:
+        leaq    104(%rsp), %rax
+        movq    %rsi, -80(%rsp)
+        movl    $8, -120(%rsp)
+        movq    %rax, -112(%rsp)
+        leaq    -88(%rsp), %rax
+        movq    %rax, -104(%rsp)
+        movl    $8, %eax
+        cmpl    $48, %eax
+        jb      .L6
+        movq    -112(%rsp), %rdx
+        movl    (%rdx), %eax
+        addq    $96, %rsp
+        ret
+        .p2align 4,,10
+        .p2align 3
+.L6:
+        mov     %eax, %edx
+        addq    -104(%rsp), %rdx
+        addl    $8, %eax
+        movl    %eax, -120(%rsp)
+        movl    (%rdx), %eax
+        addq    $96, %rsp
+        ret
+
+and it gets compiled into this on x86:
+       pushl   %ebp
+        movl    %esp, %ebp
+        subl    $4, %esp
+        leal    12(%ebp), %eax
+        movl    %eax, -4(%ebp)
+        leal    16(%ebp), %eax
+        movl    %eax, -4(%ebp)
+        movl    12(%ebp), %eax
+        addl    $4, %esp
+        popl    %ebp
+        ret
+
+gcc 4.3 generates:
+       pushl   %ebp
+        movl    %esp, %ebp
+        movl    12(%ebp), %eax
+        popl    %ebp
+        ret