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glsl: Remove ir_binop_greater and ir_binop_lequal expressions

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NIR does not have these instructions.  TGSI and Mesa IR both implement
them using < and >=, repsectively.  Removing them deletes a bunch of
code and means I don't have to add code to the SPIR-V generator for
them.

v2: Rebase on 2+ years of change... and fix a major bug added in the
rebase.

   text	   data	    bss	    dec	    hex	filename
8255291	 268856	 294072	8818219	 868e2b	32-bit i965_dri.so before
8254235	 268856	 294072	8817163	 868a0b	32-bit i965_dri.so after
7815339	 345592	 420592	8581523	 82f193	64-bit i965_dri.so before
7813995	 345560	 420592	8580147	 82ec33	64-bit i965_dri.so after

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Ian Romanick
2015-05-08 12:55:00 -07:00
parent 34f7e761bc
commit 6403efbe74
14 changed files with 39 additions and 116 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/compiler/glsl/opt_algebraic.cpp
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@@ -438,8 +438,6 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
switch (op_expr[0]->operation) {
case ir_binop_less: new_op = ir_binop_gequal; break;
case ir_binop_greater: new_op = ir_binop_lequal; break;
case ir_binop_lequal: new_op = ir_binop_greater; break;
case ir_binop_gequal: new_op = ir_binop_less; break;
case ir_binop_equal: new_op = ir_binop_nequal; break;
case ir_binop_nequal: new_op = ir_binop_equal; break;
@@ -697,8 +695,6 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
break;
case ir_binop_less:
case ir_binop_lequal:
case ir_binop_greater:
case ir_binop_gequal:
case ir_binop_equal:
case ir_binop_nequal: