diff options
| -rw-r--r-- | lib/Target/X86/README.txt | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt index 9a5ca42..af73658 100644 --- a/lib/Target/X86/README.txt +++ b/lib/Target/X86/README.txt @@ -1511,3 +1511,24 @@ LBB1_4: # cond_true cmpl $262144, %eax //===---------------------------------------------------------------------===// + +define i64 @test(double %X) { + %Y = fptosi double %X to i64 + ret i64 %Y +} + +compiles to: + +_test: + subl $20, %esp + movsd 24(%esp), %xmm0 + movsd %xmm0, 8(%esp) + fldl 8(%esp) + fisttpll (%esp) + movl 4(%esp), %edx + movl (%esp), %eax + addl $20, %esp + #FP_REG_KILL + ret + +This should just fldl directly from the input stack slot. |