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aco: fix sub-dword overwrite check in RA validator

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4772>
This commit is contained in:
Rhys Perry
2020-04-27 20:52:20 +01:00
committed by Marge Bot
parent cca8d6ce06
commit 43f2ba39ef
1 changed files with 1 additions and 1 deletions
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src/amd/compiler/aco_validate.cpp
+1 -1
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@@ -591,7 +591,7 @@ bool validate_ra(Program *program, const struct radv_nir_compiler_options *optio
}
if (def.regClass().is_subdword() && !instr_can_access_subdword(instr)) {
for (unsigned j = tmp.bytes(); j < 4; j++)
if (reg.reg_b + j)
if (regs[reg.reg_b + j])
err |= ra_fail(output, loc, assignments.at(regs[reg.reg_b + j]).defloc, "Assignment of element %d of %%%d overwrites the full register taken by %%%d from instruction", i, tmp.id(), regs[reg.reg_b + j]);
}
}