diff options
author | José Fonseca <jfonseca@vmware.com> | 2010-05-17 15:22:48 +0100 |
---|---|---|
committer | José Fonseca <jfonseca@vmware.com> | 2010-05-17 15:22:48 +0100 |
commit | 32a7209c0a0d5ae63f12056ed969087d942c6298 (patch) | |
tree | 0e85555120ac821e0e9a7246e1d01a5fde6e109c /src/gallium/auxiliary | |
parent | 0b7ca2f8fcb187fb3aa37e0b6dc4b0a84101478f (diff) |
gallivm: Tweak ret_mask handling.
Diffstat (limited to 'src/gallium/auxiliary')
-rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c | 39 |
1 files changed, 15 insertions, 24 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c index 44bc2bff787..d6e1c478be9 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c @@ -107,6 +107,7 @@ struct lp_exec_mask { } loop_stack[LP_MAX_TGSI_NESTING]; int loop_stack_size; + LLVMValueRef ret_mask; struct { int pc; LLVMValueRef ret_mask; @@ -180,7 +181,7 @@ static void lp_exec_mask_init(struct lp_exec_mask *mask, struct lp_build_context mask->call_stack_size = 0; mask->int_vec_type = lp_build_int_vec_type(mask->bld->type); - mask->break_mask = mask->cont_mask = mask->cond_mask = + mask->exec_mask = mask->ret_mask = mask->break_mask = mask->cont_mask = mask->cond_mask = LLVMConstAllOnes(mask->int_vec_type); } @@ -201,15 +202,12 @@ static void lp_exec_mask_update(struct lp_exec_mask *mask) } else mask->exec_mask = mask->cond_mask; - /*if (mask->call_stack_size) { - LLVMValueRef ret_mask = - mask->call_stack[mask->call_stack_size - 1].ret_mask; + if (mask->call_stack_size) { mask->exec_mask = LLVMBuildAnd(mask->bld->builder, mask->exec_mask, - ret_mask, + mask->ret_mask, "callmask"); - }*/ - + } mask->has_mask = (mask->cond_stack_size > 0 || mask->loop_stack_size > 0 || @@ -375,12 +373,6 @@ static void lp_exec_mask_store(struct lp_exec_mask *mask, } else { pred = mask->exec_mask; } - if (mask->call_stack_size) { - pred = LLVMBuildAnd(mask->bld->builder, pred, - mask->call_stack[ - mask->call_stack_size - 1].ret_mask, - ""); - } } if (pred) { @@ -400,16 +392,17 @@ static void lp_exec_mask_call(struct lp_exec_mask *mask, int func, int *pc) { + assert(mask->call_stack_size < LP_MAX_TGSI_NESTING); mask->call_stack[mask->call_stack_size].pc = *pc; - mask->call_stack[mask->call_stack_size].ret_mask = - LLVMConstAllOnes(mask->int_vec_type); + mask->call_stack[mask->call_stack_size].ret_mask = mask->ret_mask; + mask->call_stack_size++; *pc = func; } static void lp_exec_mask_ret(struct lp_exec_mask *mask, int *pc) { LLVMValueRef exec_mask; - LLVMValueRef ret_mask; + if (mask->call_stack_size == 0) { /* returning from main() */ *pc = -1; @@ -419,26 +412,24 @@ static void lp_exec_mask_ret(struct lp_exec_mask *mask, int *pc) mask->exec_mask, "ret"); - ret_mask = mask->call_stack[ - mask->call_stack_size - 1].ret_mask; - ret_mask = LLVMBuildAnd(mask->bld->builder, - ret_mask, - exec_mask, "ret_full"); - - mask->call_stack[mask->call_stack_size - 1].ret_mask = ret_mask; + mask->ret_mask = LLVMBuildAnd(mask->bld->builder, + mask->ret_mask, + exec_mask, "ret_full"); lp_exec_mask_update(mask); } static void lp_exec_mask_bgnsub(struct lp_exec_mask *mask) { - mask->call_stack_size++; } static void lp_exec_mask_endsub(struct lp_exec_mask *mask, int *pc) { + assert(mask->call_stack_size); mask->call_stack_size--; *pc = mask->call_stack[mask->call_stack_size].pc; + mask->ret_mask = mask->call_stack[mask->call_stack_size].ret_mask; + lp_exec_mask_update(mask); } static LLVMValueRef |