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amdgcn: Fix bug in gfx1030 support patch

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The previous patch to add gfx1030 support introduced an issue with passing
exit codes from kernels run under gcn-run (offload kernels were unaffected).

gcc/ChangeLog:

	PR target/112088
	* config/gcn/gcn.cc (gcn_expand_epilogue): Fix kernel epilogue register
	conflict.
This commit is contained in:
Andrew Stubbs 2023-10-27 17:53:10 +01:00
parent 9ae1fbdd38
commit 9f3c4c673d
1 changed files with 2 additions and 4 deletions
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6
gcc/config/gcn/gcn.cc
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@ -3615,13 +3615,11 @@ gcn_expand_epilogue (void)
set_mem_addr_space (retptr_mem, ADDR_SPACE_SCALAR_FLAT);
emit_move_insn (kernarg_reg, retptr_mem);
rtx retval_addr = gen_rtx_REG (DImode, FIRST_VPARM_REG);
rtx retval_addr = gen_rtx_REG (DImode, FIRST_VPARM_REG + 2);
emit_move_insn (retval_addr, kernarg_reg);
rtx retval_mem = gen_rtx_MEM (SImode, retval_addr);
rtx scalar_retval = gen_rtx_REG (SImode, FIRST_VPARM_REG + 2);
set_mem_addr_space (retval_mem, ADDR_SPACE_FLAT);
emit_move_insn (scalar_retval, gen_rtx_REG (SImode, RETURN_VALUE_REG));
emit_move_insn (retval_mem, scalar_retval);
emit_move_insn (retval_mem, gen_rtx_REG (SImode, RETURN_VALUE_REG));
}
emit_jump_insn (gen_gcn_return ());