[Mesa-dev] [PATCH v2 1/2] r600g: make condition clearer
Dieter Nützel
Dieter at nuetzel-hh.de
Mon Mar 20 12:40:57 UTC 2017
Constantine,
you missed my
1/1
Tested-by: Dieter Nützel <Dieter at nuetzel-hh.de>
1/2
Acked-by: Dieter Nützel <Dieter at nuetzel-hh.de>
they should be appended under your Signed-off-by during resend/rebase.
Anyway, looks good.
Dieter
PS ...Dieter's comment... is enough ;-)
Am 20.03.2017 13:19, schrieb Constantine Kharlamov:
> The second check in the old code looked pretty much unreachable, esp.
> because it's not obvious that "max_entries" could be zero. To find out
> that it was intentional I had to run some checks, and to dig into
> the old versions of the file.
>
> So, rewrite the check to make the intention clear.
>
> v2: s/r600/r600g in the title, and per Dieter Nützel's comment wrap
> lines of condition.
>
> Signed-off-by: Constantine Kharlamov <Hi-Angel at yandex.ru>
> ---
> src/gallium/drivers/r600/r600_asm.c | 14 ++++++++------
> 1 file changed, 8 insertions(+), 6 deletions(-)
>
> diff --git a/src/gallium/drivers/r600/r600_asm.c
> b/src/gallium/drivers/r600/r600_asm.c
> index f85993d451..3dcbde0fe5 100644
> --- a/src/gallium/drivers/r600/r600_asm.c
> +++ b/src/gallium/drivers/r600/r600_asm.c
> @@ -315,7 +315,7 @@ static int is_alu_any_unit_inst(struct
> r600_bytecode *bc, struct r600_bytecode_a
> static int is_nop_inst(struct r600_bytecode *bc, struct
> r600_bytecode_alu *alu)
> {
> return alu->op == ALU_OP0_NOP;
> -}
> +}
>
> static int assign_alu_units(struct r600_bytecode *bc, struct
> r600_bytecode_alu *alu_first,
> struct r600_bytecode_alu *assignment[5])
> @@ -1688,11 +1688,13 @@ int r600_bytecode_build(struct r600_bytecode
> *bc)
> unsigned addr;
> int i, r;
>
> - if (!bc->nstack) // If not 0, Stack_size already provided by llvm
> - bc->nstack = bc->stack.max_entries;
> -
> - if ((bc->type == PIPE_SHADER_VERTEX || bc->type ==
> PIPE_SHADER_TESS_EVAL || bc->type == PIPE_SHADER_TESS_CTRL) &&
> !bc->nstack) {
> - bc->nstack = 1;
> + if (!bc->nstack) { // If not 0, Stack_size already provided by llvm
> + if (bc->stack.max_entries)
> + bc->nstack = bc->stack.max_entries;
> + else if (bc->type == PIPE_SHADER_VERTEX ||
> + bc->type == PIPE_SHADER_TESS_EVAL ||
> + bc->type == PIPE_SHADER_TESS_CTRL)
> + bc->nstack = 1;
> }
>
> /* first path compute addr of each CF block */
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