[llvm] r173914 - Documentation: Updating the data layout default specifications to
Patrik Hagglund
patrik.h.hagglund at ericsson.com
Wed Jan 30 01:02:06 PST 2013
Author: patha
Date: Wed Jan 30 03:02:06 2013
New Revision: 173914
URL: http://llvm.org/viewvc/llvm-project?rev=173914&view=rev
Log:
Documentation: Updating the data layout default specifications to
correspond to the code.
Patch by Stephen McGruer.
Modified:
llvm/trunk/docs/LangRef.rst
Modified: llvm/trunk/docs/LangRef.rst
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/LangRef.rst?rev=173914&r1=173913&r2=173914&view=diff
==============================================================================
--- llvm/trunk/docs/LangRef.rst (original)
+++ llvm/trunk/docs/LangRef.rst Wed Jan 30 03:02:06 2013
@@ -971,22 +971,20 @@ specifications are given in this list:
- ``E`` - big endian
- ``p:64:64:64`` - 64-bit pointers with 64-bit alignment
-- ``p1:32:32:32`` - 32-bit pointers with 32-bit alignment for address
- space 1
-- ``p2:16:32:32`` - 16-bit pointers with 32-bit alignment for address
- space 2
+- ``S0`` - natural stack alignment is unspecified
- ``i1:8:8`` - i1 is 8-bit (byte) aligned
- ``i8:8:8`` - i8 is 8-bit (byte) aligned
- ``i16:16:16`` - i16 is 16-bit aligned
- ``i32:32:32`` - i32 is 32-bit aligned
- ``i64:32:64`` - i64 has ABI alignment of 32-bits but preferred
alignment of 64-bits
+- ``f16:16:16`` - half is 16-bit aligned
- ``f32:32:32`` - float is 32-bit aligned
- ``f64:64:64`` - double is 64-bit aligned
+- ``f128:128:128`` - quad is 128-bit aligned
- ``v64:64:64`` - 64-bit vector is 64-bit aligned
- ``v128:128:128`` - 128-bit vector is 128-bit aligned
-- ``a0:0:1`` - aggregates are 8-bit aligned
-- ``s0:64:64`` - stack objects are 64-bit aligned
+- ``a0:0:64`` - aggregates are 64-bit aligned
When LLVM is determining the alignment for a given type, it uses the
following rules:
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