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.
Signed-off-by: Constantine Kharlamov <hi-an...@yandex.ru>
---
src/gallium/drivers/r600/r600_asm.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/src/gallium/drivers/r600/r600_asm.c
b/src/gallium/drivers/r600/r600_asm.c
index f85993d451..f8d6883551 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 +1688,11 @@ 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 */
--
2.12.0
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