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aco/tests: test VALUReadSGPRHazard with v_cmpx

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To avoid regressing this in a future rework.

Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39252>
This commit is contained in:
Georg Lehmann 2026-01-10 17:34:18 +01:00 • committed by Marge Bot
parent 3e10ab34e1
commit 1d85552745
1 changed files with 10 additions and 0 deletions
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10
src/amd/compiler/tests/test_insert_nops.cpp
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@ -1754,6 +1754,16 @@ BEGIN_TEST(insert_nops.valu_read_sgpr.basic)
bld.vop1(aco_opcode::v_mov_b32, Definition(PhysReg(256), v1), Operand(vcc_hi, s1));
bld.vop1(aco_opcode::v_mov_b32, Definition(PhysReg(256), v1), Operand(PhysReg(4), s1));
/* VALU read of SALU result need an explicit wait. */
//! p_unit_test 24
//! s1: %0:s[4] = s_mov_b32 0
//! s_waitcnt_depctr sa_sdst(0)
//! s2: %0:exec = v_cmpx_eq_i32 %0:s[4], %0:v[0]
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(24));
bld.sop1(aco_opcode::s_mov_b32, Definition(PhysReg(4), s1), Operand::zero(4));
bld.vop2(aco_opcode::v_cmpx_eq_i32, Definition(exec, bld.lm), Operand(PhysReg(4), s1),
Operand(PhysReg(256), v1));
finish_insert_nops_test();
END_TEST