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gallivm: fix breakc

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we break when the mask values are 0 not, 1, plus it's bit comparison
not a floating point comparison. This fixes both.

Signed-off-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
Zack Rusin 2013-04-04 15:06:14 -07:00
parent e4484a0309
commit 1ad4a4eeb3
1 changed files with 14 additions and 12 deletions
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26
src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
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@ -217,15 +217,14 @@ static void lp_exec_break_condition(struct lp_exec_mask *mask,
LLVMValueRef cond)
{
LLVMBuilderRef builder = mask->bld->gallivm->builder;
LLVMValueRef exec_mask = LLVMBuildNot(builder,
LLVMValueRef cond_mask = LLVMBuildAnd(builder,
mask->exec_mask,
"break");
exec_mask = LLVMBuildAnd(builder, exec_mask, cond, "");
cond, "cond_mask");
cond_mask = LLVMBuildNot(builder, cond, "break_cond");
mask->break_mask = LLVMBuildAnd(builder,
mask->break_mask,
exec_mask, "break_full");
cond_mask, "breakc_full");
lp_exec_mask_update(mask);
}
@ -287,14 +286,14 @@ static void lp_exec_endloop(struct gallivm_state *gallivm,
builder,
LLVMIntNE,
LLVMBuildBitCast(builder, mask->exec_mask, reg_type, ""),
LLVMConstNull(reg_type), "");
LLVMConstNull(reg_type), "i1cond");
/* i2cond = (looplimiter > 0) */
i2cond = LLVMBuildICmp(
builder,
LLVMIntSGT,
limiter,
LLVMConstNull(int_type), "");
LLVMConstNull(int_type), "i2cond");
/* if( i1cond && i2cond ) */
icond = LLVMBuildAnd(builder, i1cond, i2cond, "");
@ -2298,13 +2297,16 @@ breakc_emit(
struct lp_build_tgsi_context * bld_base,
struct lp_build_emit_data * emit_data)
{
LLVMValueRef tmp;
struct lp_build_tgsi_soa_context * bld = lp_soa_context(bld_base);
LLVMBuilderRef builder = bld_base->base.gallivm->builder;
struct lp_build_context *uint_bld = &bld_base->uint_bld;
LLVMValueRef unsigned_cond =
LLVMBuildBitCast(builder, emit_data->args[0], uint_bld->vec_type, "");
LLVMValueRef cond = lp_build_cmp(uint_bld, PIPE_FUNC_NOTEQUAL,
unsigned_cond,
uint_bld->zero);
tmp = lp_build_cmp(&bld_base->base, PIPE_FUNC_NOTEQUAL,
emit_data->args[0], bld->bld_base.base.zero);
lp_exec_break_condition(&bld->exec_mask, tmp);
lp_exec_break_condition(&bld->exec_mask, cond);
}
static void