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aco: pad code with s_code_end on GFX10

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-By: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
This commit is contained in:
Rhys Perry 2019-10-08 14:47:00 +02:00 • committed by Timur Kristóf
parent 83993f535e
commit d63c175897
1 changed files with 13 additions and 2 deletions
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15
src/amd/compiler/aco_assembler.cpp
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@ -4,6 +4,7 @@
#include "aco_ir.h"
#include "common/sid.h"
#include "ac_shader_util.h"
#include "util/u_math.h"
namespace aco {
@ -668,16 +669,26 @@ unsigned emit_program(Program* program,
}
fix_branches(ctx, code);
unsigned exec_size = code.size() * sizeof(uint32_t);
if (program->chip_class >= GFX10) {
/* Pad output with s_code_end so instruction prefetching doesn't cause
* page faults */
unsigned final_size = align(code.size() + 3 * 16, 16);
while (code.size() < final_size)
code.push_back(0xbf9f0000u);
}
fix_constaddrs(ctx, code);
unsigned constant_data_offset = code.size() * sizeof(uint32_t);
while (program->constant_data.size() % 4u)
program->constant_data.push_back(0);
/* Copy constant data */
code.insert(code.end(), (uint32_t*)program->constant_data.data(),
(uint32_t*)(program->constant_data.data() + program->constant_data.size()));
return constant_data_offset;
return exec_size;
}
}