mesa.git
14 years agoMatrix and vector constructors with a single constant scalar are constant
Ian Romanick [Fri, 11 Jun 2010 21:01:44 +0000 (14:01 -0700)]
Matrix and vector constructors with a single constant scalar are constant

14 years agoir_constant_visitor: Handle bool-to-int and int-to-bool
Ian Romanick [Fri, 11 Jun 2010 20:46:30 +0000 (13:46 -0700)]
ir_constant_visitor: Handle bool-to-int and int-to-bool

14 years agoTreat ?: with all constant subexpressions as a constant expression
Ian Romanick [Fri, 11 Jun 2010 20:45:51 +0000 (13:45 -0700)]
Treat ?: with all constant subexpressions as a constant expression

14 years agoRearrange code in HIR conversion of ?: operator
Ian Romanick [Fri, 11 Jun 2010 19:56:26 +0000 (12:56 -0700)]
Rearrange code in HIR conversion of ?: operator

There are no functional changes.  Code is just moved arround.  This
prepares for the next set of changes that do change the functionality.

14 years agoir_constant_visitor: Handle constant swizzles
Ian Romanick [Fri, 11 Jun 2010 19:30:28 +0000 (12:30 -0700)]
ir_constant_visitor: Handle constant swizzles

14 years agoir_constant_visitor: Handle array access of constant vectors and matrices
Ian Romanick [Fri, 11 Jun 2010 19:20:12 +0000 (12:20 -0700)]
ir_constant_visitor: Handle array access of constant vectors and matrices

14 years agoRemove redundant type checks for constant constructors
Ian Romanick [Fri, 11 Jun 2010 18:36:12 +0000 (11:36 -0700)]
Remove redundant type checks for constant constructors

All of the cases (e.g., arrays and structures) that were being
filtered by these tests were already filtered by the earlier
is_numeric and is_boolean tests.

14 years agoDo simple constant folding while processing function call parameters
Ian Romanick [Thu, 10 Jun 2010 00:31:02 +0000 (17:31 -0700)]
Do simple constant folding while processing function call parameters

14 years agoir_constant_visitor: Handle dereferences of constant records
Ian Romanick [Thu, 10 Jun 2010 00:30:19 +0000 (17:30 -0700)]
ir_constant_visitor: Handle dereferences of constant records

14 years agoir_constant: Add get_record_field query
Ian Romanick [Thu, 10 Jun 2010 00:28:54 +0000 (17:28 -0700)]
ir_constant: Add get_record_field query

14 years agoAdd glsl_types::field_index to get the location of a record field
Ian Romanick [Thu, 10 Jun 2010 00:27:31 +0000 (17:27 -0700)]
Add glsl_types::field_index to get the location of a record field

14 years agoDetect and process constant record constructors
Ian Romanick [Thu, 10 Jun 2010 00:26:20 +0000 (17:26 -0700)]
Detect and process constant record constructors

14 years agoMove parameter processing out of match_function_by_name
Ian Romanick [Thu, 10 Jun 2010 00:23:26 +0000 (17:23 -0700)]
Move parameter processing out of match_function_by_name

Eventually code that processes constant structure constructors will
need to use the processed list of parameters.

14 years agoir_constant_visitor: Use clone to create a constant from a variable reference
Ian Romanick [Thu, 10 Jun 2010 00:19:10 +0000 (17:19 -0700)]
ir_constant_visitor: Use clone to create a constant from a variable reference

14 years agoir_constant: Support constant structures in clone
Ian Romanick [Thu, 10 Jun 2010 00:18:04 +0000 (17:18 -0700)]
ir_constant: Support constant structures in clone

14 years agoir_constant: Add storage for multiple constants for arrays and records
Ian Romanick [Thu, 10 Jun 2010 00:11:50 +0000 (17:11 -0700)]
ir_constant: Add storage for multiple constants for arrays and records

14 years agoAdd glsl_type::is_record query
Ian Romanick [Thu, 10 Jun 2010 00:17:47 +0000 (17:17 -0700)]
Add glsl_type::is_record query

14 years agoAdd float/bool conversion to ir_constant_expression.cpp.
Ian Romanick [Mon, 7 Jun 2010 22:10:14 +0000 (15:10 -0700)]
Add float/bool conversion to ir_constant_expression.cpp.

14 years agoConstant-fold constructor parameters after type conversion
Ian Romanick [Mon, 7 Jun 2010 22:08:04 +0000 (15:08 -0700)]
Constant-fold constructor parameters after type conversion

This causes the following tests to pass:

         glslparsertest/shaders/CorrectMatComma2.frag

One of the incorrect errors in glslparsertest/shaders/CorrectComma.frag
is also eliminated.

14 years agoMake constructors with all constant parameters generate in-line constants
Ian Romanick [Fri, 4 Jun 2010 23:36:09 +0000 (16:36 -0700)]
Make constructors with all constant parameters generate in-line constants

14 years agoConstruct an ir_constant from a list of ir_constant values
Ian Romanick [Fri, 4 Jun 2010 23:34:38 +0000 (16:34 -0700)]
Construct an ir_constant from a list of ir_constant values

14 years agoAdd queries to determine if a node is a list sentinal
Ian Romanick [Fri, 4 Jun 2010 23:35:42 +0000 (16:35 -0700)]
Add queries to determine if a node is a list sentinal

14 years agoAdd methods to ir_constant to get scalar components in a particular type
Ian Romanick [Fri, 4 Jun 2010 23:30:07 +0000 (16:30 -0700)]
Add methods to ir_constant to get scalar components in a particular type

14 years agoDerefence components of constants smarter
Ian Romanick [Fri, 4 Jun 2010 23:20:35 +0000 (16:20 -0700)]
Derefence components of constants smarter

During generation of calls to constructors, derefernce constants by creating
new constants instead of creating dereferences.

14 years agoConstruct an ir_constant from a scalar component of another ir_constant
Ian Romanick [Fri, 4 Jun 2010 23:13:35 +0000 (16:13 -0700)]
Construct an ir_constant from a scalar component of another ir_constant

14 years agoUse ir_unop_b2i when converting a bool-to-int and add a missing break
Ian Romanick [Fri, 11 Jun 2010 20:49:00 +0000 (13:49 -0700)]
Use ir_unop_b2i when converting a bool-to-int and add a missing break

The previous code just had dumb cut-and-paste errors.

14 years agoRemove linux_list in favor of exec_list.
Kenneth Graunke [Thu, 10 Jun 2010 00:05:14 +0000 (17:05 -0700)]
Remove linux_list in favor of exec_list.

14 years agoAdd forgotten autogenerated EXT_texture_array_fs folder.
Kenneth Graunke [Wed, 9 Jun 2010 23:46:09 +0000 (16:46 -0700)]
Add forgotten autogenerated EXT_texture_array_fs folder.

14 years agoImplement 1.30 int/uint variants of min/max/clamp.
Kenneth Graunke [Wed, 9 Jun 2010 23:14:45 +0000 (16:14 -0700)]
Implement 1.30 int/uint variants of min/max/clamp.

14 years agotexture_builtins.py: The unsigned integer type is "uint", not "unsigned"
Kenneth Graunke [Wed, 9 Jun 2010 23:11:36 +0000 (16:11 -0700)]
texture_builtins.py: The unsigned integer type is "uint", not "unsigned"

This doesn't actually affect anything yet, but is good to fix anyway.

14 years agoImplement 1.30 hyperbolic trig builtins (sinh, cosh, tanh).
Kenneth Graunke [Wed, 9 Jun 2010 23:08:36 +0000 (16:08 -0700)]
Implement 1.30 hyperbolic trig builtins (sinh, cosh, tanh).

14 years agoImplement 1.20 'transpose' builtin.
Kenneth Graunke [Wed, 9 Jun 2010 22:56:46 +0000 (15:56 -0700)]
Implement 1.20 'transpose' builtin.

14 years agoImplement 1.20 'outerProduct' builtin.
Kenneth Graunke [Wed, 9 Jun 2010 22:47:09 +0000 (15:47 -0700)]
Implement 1.20 'outerProduct' builtin.

14 years agoImplement matrixCompMult builtin - the last of the 110 builtins.
Kenneth Graunke [Wed, 9 Jun 2010 22:17:41 +0000 (15:17 -0700)]
Implement matrixCompMult builtin - the last of the 110 builtins.

14 years agoir_constant_visitor: Add support for dFdx and dFdy operations.
Kenneth Graunke [Wed, 9 Jun 2010 22:22:35 +0000 (15:22 -0700)]
ir_constant_visitor: Add support for dFdx and dFdy operations.

If the argument is a constant expression...it's not changing per pixel,
so the result is simply 0.

14 years agoImplement dFdx, dFdy, and fwidth via new expression opcodes.
Kenneth Graunke [Wed, 9 Jun 2010 21:42:41 +0000 (14:42 -0700)]
Implement dFdx, dFdy, and fwidth via new expression opcodes.

14 years agoImplement 'refract' builtin.
Kenneth Graunke [Wed, 9 Jun 2010 21:30:52 +0000 (14:30 -0700)]
Implement 'refract' builtin.

14 years agoFix some typing issues in asin.
Kenneth Graunke [Wed, 9 Jun 2010 21:15:04 +0000 (14:15 -0700)]
Fix some typing issues in asin.

CorrectFunction.vert now passes.

14 years agoAdd a completely bogus implementation of the noise[1234] builtins.
Kenneth Graunke [Wed, 9 Jun 2010 21:06:56 +0000 (14:06 -0700)]
Add a completely bogus implementation of the noise[1234] builtins.

idr suggested this.  Eventually we will need a real one.

14 years agoImplement 'acos' builtin.
Kenneth Graunke [Wed, 9 Jun 2010 20:52:32 +0000 (13:52 -0700)]
Implement 'acos' builtin.

This is tacked on to the end of the 'asin' file because acos calls asin,
whech means asin needs to be defined first.  Alphabetical order fail.

14 years agoImplement 'faceforward' builtin.
Kenneth Graunke [Wed, 9 Jun 2010 20:27:16 +0000 (13:27 -0700)]
Implement 'faceforward' builtin.

14 years agoImplement 'distance' builtin.
Kenneth Graunke [Wed, 9 Jun 2010 20:17:00 +0000 (13:17 -0700)]
Implement 'distance' builtin.

14 years agoAdd remaining signatures for 'clamp' builtin.
Kenneth Graunke [Wed, 9 Jun 2010 20:10:00 +0000 (13:10 -0700)]
Add remaining signatures for 'clamp' builtin.

14 years agoAdd remaining signatures for 'max' builtin.
Kenneth Graunke [Wed, 9 Jun 2010 20:05:40 +0000 (13:05 -0700)]
Add remaining signatures for 'max' builtin.

14 years agoAdd remaining signatures for 'min' builtin.
Kenneth Graunke [Wed, 9 Jun 2010 20:03:18 +0000 (13:03 -0700)]
Add remaining signatures for 'min' builtin.

14 years agoAdd remaining signatures for 'mod' builtin.
Kenneth Graunke [Wed, 9 Jun 2010 19:58:42 +0000 (12:58 -0700)]
Add remaining signatures for 'mod' builtin.

14 years agoir_function_cloning_visitor: Add support for ir_texture.
Kenneth Graunke [Wed, 9 Jun 2010 18:07:53 +0000 (11:07 -0700)]
ir_function_cloning_visitor: Add support for ir_texture.

14 years agoDon't call _mesa_glsl_initialize_types for every builtin function.
Kenneth Graunke [Wed, 9 Jun 2010 05:41:30 +0000 (22:41 -0700)]
Don't call _mesa_glsl_initialize_types for every builtin function.

This was clearly wrong; types are now only initialized once.

14 years agoOnly initialize types after #extension directives have been processed.
Kenneth Graunke [Wed, 9 Jun 2010 05:33:43 +0000 (22:33 -0700)]
Only initialize types after #extension directives have been processed.

Since _mesa_glsl_initialize_types add types for various extensions, we
can't call it until after processing "#extension foo : disable" lines.

Fixes tex_rect_02.frag.

14 years agoCommit output of texture_builtins.py and refresh builtin_function.cpp.
Kenneth Graunke [Tue, 8 Jun 2010 23:29:17 +0000 (16:29 -0700)]
Commit output of texture_builtins.py and refresh builtin_function.cpp.

14 years agotexture_builtins.py: Support the EXT_texture_array extension.
Kenneth Graunke [Tue, 8 Jun 2010 23:03:46 +0000 (16:03 -0700)]
texture_builtins.py: Support the EXT_texture_array extension.

14 years agoAdd EXT_texture_array support.
Kenneth Graunke [Tue, 8 Jun 2010 23:17:17 +0000 (16:17 -0700)]
Add EXT_texture_array support.

14 years agogenerate_builtins.pl: Support stage-specific builtins even for extensions.
Kenneth Graunke [Tue, 8 Jun 2010 23:01:41 +0000 (16:01 -0700)]
generate_builtins.pl: Support stage-specific builtins even for extensions.

14 years agotexture_builtins.py: Fixes for Array variants.
Kenneth Graunke [Tue, 8 Jun 2010 22:34:37 +0000 (15:34 -0700)]
texture_builtins.py: Fixes for Array variants.

The array layer is now included as part of the texture coordinate.

14 years agotexture_builtins.py: Add support for 130 Proj variants.
Kenneth Graunke [Tue, 8 Jun 2010 20:44:00 +0000 (13:44 -0700)]
texture_builtins.py: Add support for 130 Proj variants.

14 years agoAdd a python script to generate texture builtins.
Kenneth Graunke [Tue, 8 Jun 2010 02:28:19 +0000 (19:28 -0700)]
Add a python script to generate texture builtins.

14 years agogenerate_builtins.pl: Support directiories for each extension.
Kenneth Graunke [Fri, 4 Jun 2010 22:02:49 +0000 (15:02 -0700)]
generate_builtins.pl: Support directiories for each extension.

14 years agogenerate_builtins.pl: Support _fs directories as well as _vs.
Kenneth Graunke [Thu, 3 Jun 2010 21:51:40 +0000 (14:51 -0700)]
generate_builtins.pl: Support _fs directories as well as _vs.

14 years agoSet the type of ir_texture properly; infer it from the sampler type.
Kenneth Graunke [Thu, 3 Jun 2010 22:07:34 +0000 (15:07 -0700)]
Set the type of ir_texture properly; infer it from the sampler type.

14 years agoir_reader: Add support for reading ir_texture.
Kenneth Graunke [Thu, 27 May 2010 00:55:10 +0000 (17:55 -0700)]
ir_reader: Add support for reading ir_texture.

14 years agoir_reader: Refactor reading of dereferences for later reuse.
Kenneth Graunke [Thu, 27 May 2010 00:52:44 +0000 (17:52 -0700)]
ir_reader: Refactor reading of dereferences for later reuse.

14 years agoAdd stub visitor support for ir_texture.
Kenneth Graunke [Thu, 27 May 2010 00:42:03 +0000 (17:42 -0700)]
Add stub visitor support for ir_texture.

14 years agoir_print_visitor: Add support for ir_texture.
Kenneth Graunke [Wed, 26 May 2010 22:15:31 +0000 (15:15 -0700)]
ir_print_visitor: Add support for ir_texture.

14 years agoAdd mappings between ir_texture_opcode and strings.
Kenneth Graunke [Wed, 26 May 2010 23:41:47 +0000 (16:41 -0700)]
Add mappings between ir_texture_opcode and strings.

14 years agoDefine IR instruction for texture look-ups
Ian Romanick [Thu, 29 Apr 2010 01:42:36 +0000 (18:42 -0700)]
Define IR instruction for texture look-ups

14 years agoUse array delete operator to delete an array
Ian Romanick [Wed, 9 Jun 2010 18:00:00 +0000 (11:00 -0700)]
Use array delete operator to delete an array

This was detected by valgrind.  I think GCC still does the right
thing, but the C++ spec allows the compiler to do something
stupid... like crash or only delete the first entry in the array.

14 years agoBump GL_MAX_TEXTURE_COORDS from 2 to 4
Ian Romanick [Tue, 8 Jun 2010 02:10:33 +0000 (19:10 -0700)]
Bump GL_MAX_TEXTURE_COORDS from 2 to 4

Every platform that supports GLSL sets GL_MAX_TEXTURE_COORDS to at
least 4, so hard-code 4 for now.

This causes the following tests to pass:

    glslparsertest/glsl2/norsetto-bumptbn_sh_fp.vert
    glslparsertest/glsl2/xreal-lighting-d-omni.vert
    glslparsertest/glsl2/xreal-lighting-db-omni.vert
    glslparsertest/glsl2/xreal-lighting-dbs-omni.vert

14 years agoOnly allow global precision qualifier for int and float
Ian Romanick [Tue, 8 Jun 2010 02:02:44 +0000 (19:02 -0700)]
Only allow global precision qualifier for int and float

This causes the following tests to pass:

    glslparsertest/glsl2/precision-03.vert

14 years agoFix parsing of precision qualifiers
Ian Romanick [Tue, 8 Jun 2010 01:55:41 +0000 (18:55 -0700)]
Fix parsing of precision qualifiers

This causes the following tests to pass:

     glslparsertest/glsl2/precision-02.vert
     glslparsertest/glsl2/precision-04.vert
     glslparsertest/glsl2/precision-06.vert

This causes the following test to fail.  This shader was previously
failing to compile, but it was failing for the wrong reasons.

     glslparsertest/glsl2/precision-03.vert

14 years agoDon't process empty shaders
Ian Romanick [Tue, 8 Jun 2010 01:53:06 +0000 (18:53 -0700)]
Don't process empty shaders

Some valid shaders, such as 'precision highp float;', evaluate to
empty sets of instructions.  This causes some of the optimization
stages to enter infinite loops.  Instead, don't bother processing the
empty ones.

14 years agoGenerate an error on empty declaration lists
Ian Romanick [Tue, 8 Jun 2010 01:49:48 +0000 (18:49 -0700)]
Generate an error on empty declaration lists

This causes an error for code such as 'float;'

14 years agoCheck variable mode when comparing qualifier lists.
Kenneth Graunke [Fri, 4 Jun 2010 19:56:15 +0000 (12:56 -0700)]
Check variable mode when comparing qualifier lists.

Fixes function-05.vert.

14 years agoir_dereference_array always operates on an r-value
Ian Romanick [Wed, 2 Jun 2010 20:50:27 +0000 (13:50 -0700)]
ir_dereference_array always operates on an r-value

ir_dereference_array::array is always an r-value.  If the dereference
is of a varaible, that r-value will be an ir_dereference_variable.
This simplifies the code a bit.

14 years agoThere is no class ir_label, so there's no need for ir_instruction::as_label
Ian Romanick [Wed, 2 Jun 2010 20:39:45 +0000 (13:39 -0700)]
There is no class ir_label, so there's no need for ir_instruction::as_label

14 years agoRemove some cruft from the Makefile
Ian Romanick [Wed, 2 Jun 2010 20:13:40 +0000 (13:13 -0700)]
Remove some cruft from the Makefile

This was affecting the build, but the files don't actually exist.

14 years agoAdd builtin gl_LightSource[].
Eric Anholt [Wed, 19 May 2010 21:09:04 +0000 (14:09 -0700)]
Add builtin gl_LightSource[].

Fixes gst-gl-bumper.vert parsing.

14 years agobuiltins: Add support for reflect().
Eric Anholt [Wed, 19 May 2010 21:01:33 +0000 (14:01 -0700)]
builtins: Add support for reflect().

Fixes glsl-orangebook-ch06.frag parsing.

14 years agobuiltins: Add ftransform().
Eric Anholt [Wed, 19 May 2010 20:57:01 +0000 (13:57 -0700)]
builtins: Add ftransform().

Fixes glsl-orangebook-ch06-bump.vert.

14 years agoAllow arrays of floats as varyings.
Eric Anholt [Wed, 19 May 2010 20:38:15 +0000 (13:38 -0700)]
Allow arrays of floats as varyings.

The comment just above the code said arrays were OK, then it didn't
handle arrays.  Whoops.  Partially fixes CorrectUnsizedArray.frat.

14 years agogl_Normal is a vec3 not a vec4.
Eric Anholt [Wed, 19 May 2010 20:30:14 +0000 (13:30 -0700)]
gl_Normal is a vec3 not a vec4.

Fixes CorrectSwizzle1.vert.

14 years agobuiltins: Add the mix(gentype, gentype, float) variant.
Eric Anholt [Wed, 19 May 2010 20:05:01 +0000 (13:05 -0700)]
builtins: Add the mix(gentype, gentype, float) variant.

The broken-in-mesa Regnum Online shader now parses, except for its
preprocessor usage.

14 years agoHandle GLSL 1.20 implicit type conversions.
Eric Anholt [Wed, 19 May 2010 17:38:37 +0000 (10:38 -0700)]
Handle GLSL 1.20 implicit type conversions.

We were nicely constructing a new expression for the implicit type
conversion, but then checking that the previous types matched instead
of the new expression's type.  Fixes errors in Regnum Online shaders.

14 years agobuiltins: Add atan().
Eric Anholt [Wed, 19 May 2010 19:44:23 +0000 (12:44 -0700)]
builtins: Add atan().

14 years agobuiltins: Add asin().
Eric Anholt [Wed, 19 May 2010 19:19:54 +0000 (12:19 -0700)]
builtins: Add asin().

14 years agoir_constant_expression: Handle several floating point unops.
Eric Anholt [Wed, 12 May 2010 21:42:21 +0000 (14:42 -0700)]
ir_constant_expression: Handle several floating point unops.

Cleans up a bunch of pointless operations in a GStreamer fragment shader.

14 years agoir_constant_variable: New pass to mark constant-assigned variables constant.
Eric Anholt [Wed, 12 May 2010 19:10:41 +0000 (12:10 -0700)]
ir_constant_variable: New pass to mark constant-assigned variables constant.

This removes a bunch of gratuitous moving around of constant values
from constructors.  Makes a shader ir I was looking at for structure
handling almost readable.

14 years agoir_constant_folding: Look at instructions in functions.
Eric Anholt [Wed, 12 May 2010 19:15:40 +0000 (12:15 -0700)]
ir_constant_folding: Look at instructions in functions.

This was broken in the ir_label -> ir_function rework.

14 years agoir_swizzle_swizzle: Reduce swizzle chains to a single swizzle.
Eric Anholt [Tue, 11 May 2010 19:34:21 +0000 (12:34 -0700)]
ir_swizzle_swizzle: Reduce swizzle chains to a single swizzle.

14 years agoir_vec_index_to_swizzle: Pass to convert indexing of vectors to swizzles.
Eric Anholt [Tue, 11 May 2010 18:31:09 +0000 (11:31 -0700)]
ir_vec_index_to_swizzle: Pass to convert indexing of vectors to swizzles.

This should remove the burden of handling constant vector indexing
well from backend codegen, and could help with swizzle optimizations.

14 years agoir_expression_flattening: Handle flattening values out of swizzles, too.
Eric Anholt [Thu, 6 May 2010 21:48:20 +0000 (14:48 -0700)]
ir_expression_flattening: Handle flattening values out of swizzles, too.

Fixes an uninlined normalize() in CorrectSwizzle2.vert.

14 years agoir_expression_flattening: Fix breakage from hierarchichal visitor.
Eric Anholt [Tue, 1 Jun 2010 22:06:11 +0000 (15:06 -0700)]
ir_expression_flattening: Fix breakage from hierarchichal visitor.

Similar to other situations where the visitor pattern doesn't fit, in
this case we need the pointer to the base instruction in the
instruction stream for where to insert any new instructions we
generate (not the instruction in the tree we're looking at).  By
removing the code for setting the base_ir, flattened expressions would
end up, for example, before the function definition where they had appeared.

14 years agoReimplement ir_function_inlining_visitor using ir_hierarchical_vistor
Ian Romanick [Thu, 27 May 2010 01:58:27 +0000 (18:58 -0700)]
Reimplement ir_function_inlining_visitor using ir_hierarchical_vistor

14 years agoReimplement ir_copy_propagation_visitor using ir_hierarchical_vistor
Ian Romanick [Thu, 27 May 2010 00:04:19 +0000 (17:04 -0700)]
Reimplement ir_copy_propagation_visitor using ir_hierarchical_vistor

14 years agoReimplement ir_expression_flattening_visitor using ir_hierarchical_vistor
Ian Romanick [Wed, 26 May 2010 23:07:49 +0000 (16:07 -0700)]
Reimplement ir_expression_flattening_visitor using ir_hierarchical_vistor

14 years agoir_reader: Read record_refs.
Kenneth Graunke [Wed, 26 May 2010 22:20:59 +0000 (15:20 -0700)]
ir_reader: Read record_refs.

Also changes the print visitor to not emit extraneous parenthesis.

14 years agoir_reader: Fix reading of array deferences and correct error messages.
Kenneth Graunke [Wed, 26 May 2010 20:03:14 +0000 (13:03 -0700)]
ir_reader: Fix reading of array deferences and correct error messages.

Previously, the syntax was (array_ref <variable name> <index>), but the
subject is now a general rvalue (not a name).  In particular, it might
be a (var_ref ...).

Also, remove "expected ... or (swiz)" from error messages; swiz is not
allowed inside a var_ref.

14 years agoFix setting the maximum accessed array element
Ian Romanick [Wed, 26 May 2010 22:08:11 +0000 (15:08 -0700)]
Fix setting the maximum accessed array element

Array dereferences now point to variable dereferences instead of
pointing directly to variables.  This necessitated some changes to the
way the variable is accessed when setting the maximum index array element.

14 years agoir_dereference::mode is no longer used, kill with fire
Ian Romanick [Wed, 26 May 2010 18:43:40 +0000 (11:43 -0700)]
ir_dereference::mode is no longer used, kill with fire

14 years agoRefactor whole-variable assigment checking into member function
Ian Romanick [Wed, 26 May 2010 18:32:52 +0000 (11:32 -0700)]
Refactor whole-variable assigment checking into member function

14 years agoRefactor ir_dereference data fields to subclasses
Ian Romanick [Wed, 19 May 2010 11:52:29 +0000 (13:52 +0200)]
Refactor ir_dereference data fields to subclasses