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style fixes

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Laban Kimotho 2014-01-24 11:06:41 +02:00
parent 400b00aa87
commit c705d16a3e
1 changed files with 16 additions and 14 deletions
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julia.html.markdown
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@ -659,23 +659,24 @@ fight(Lion("RAR"),Lion("brown","rarrr")) #=> prints The lions come to a tie
# Under the hood
# You can take a look at the llvm intermediate code and the assembly code generated.
# You can take a look at the llvm and the assembly code generated.
square_area(l) = l * l # square_area (generic function with 1 method)
square_area(5) #25
code_native(square_area, (Int32,)) # What happens when we feed square_area an integer?
# What happens when we feed square_area an integer?
code_native(square_area, (Int32,))
# .section __TEXT,__text,regular,pure_instructions
# Filename: none
# Source line: 1 # Prologue
# Source line: 1 # Prologue
# push RBP
# mov RBP, RSP
# Source line: 1
# movsxd RAX, EDI # Fetch l from memory?
# imul RAX, RAX # 32bit square of l and store the result in RAX
# pop RBP # Restore old base pointer
# ret # Result will still be in RAX
# movsxd RAX, EDI # Fetch l from memory?
# imul RAX, RAX # Square l and store the result in RAX
# pop RBP # Restore old base pointer
# ret # Result will still be in RAX
code_native(square_area, (Float32,))
# .section __TEXT,__text,regular,pure_instructions
@ -684,7 +685,7 @@ code_native(square_area, (Float32,))
# push RBP
# mov RBP, RSP
# Source line: 1
# vmulss XMM0, XMM0, XMM0 # Scalar single precision multiplication (AVX) (in this case square the number)
# vmulss XMM0, XMM0, XMM0 # Scalar single precision multiply (AVX)
# pop RBP
# ret
@ -695,11 +696,12 @@ code_native(square_area, (Float64,))
# push RBP
# mov RBP, RSP
# Source line: 1
# vmulsd XMM0, XMM0, XMM0 # Scalar double precision multiplacation (AVX)
# vmulsd XMM0, XMM0, XMM0 # Scalar double precision multiply (AVX)
# pop RBP
# ret
#
# Note that julia will use floating point instructions if any of the arguements are floats.
# Note that julia will use floating point instructions if any of the
# arguements are floats.
# Let's calculate the area of a circle
circle_area(r) = pi * r * r # circle_area (generic function with 1 method)
circle_area(5) # 78.53981633974483
@ -711,10 +713,10 @@ code_native(circle_area, (Int32,))
# push RBP
# mov RBP, RSP
# Source line: 1
# vcvtsi2sd XMM0, XMM0, EDI # Load integer (r) from memory
# movabs RAX, 4593140240 # Load pi
# vmulsd XMM1, XMM0, QWORD PTR [RAX] # pi * r
# vmulsd XMM0, XMM0, XMM1 # (pi * r) * r
# vcvtsi2sd XMM0, XMM0, EDI # Load integer (r) from memory
# movabs RAX, 4593140240 # Load pi
# vmulsd XMM1, XMM0, QWORD PTR [RAX] # pi * r
# vmulsd XMM0, XMM0, XMM1 # (pi * r) * r
# pop RBP
# ret
#