diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_bld_arit.c')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_bld_arit.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_arit.c b/src/gallium/drivers/llvmpipe/lp_bld_arit.c index eea6b5d6a5..54b31befe6 100644 --- a/src/gallium/drivers/llvmpipe/lp_bld_arit.c +++ b/src/gallium/drivers/llvmpipe/lp_bld_arit.c @@ -629,7 +629,7 @@ lp_build_abs(struct lp_build_context *bld, if(type.floating) { /* Mask out the sign bit */ LLVMTypeRef int_vec_type = lp_build_int_vec_type(type); - unsigned long absMask = ~(1 << (type.width - 1)); + unsigned long long absMask = ~(1ULL << (type.width - 1)); LLVMValueRef mask = lp_build_int_const_scalar(type, ((unsigned long long) absMask)); a = LLVMBuildBitCast(bld->builder, a, int_vec_type, ""); a = LLVMBuildAnd(bld->builder, a, mask, ""); @@ -874,6 +874,9 @@ lp_build_iround(struct lp_build_context *bld, } +/** + * Convert float[] to int[] with floor(). + */ LLVMValueRef lp_build_ifloor(struct lp_build_context *bld, LLVMValueRef a) @@ -900,6 +903,7 @@ lp_build_ifloor(struct lp_build_context *bld, sign = LLVMBuildBitCast(bld->builder, a, int_vec_type, ""); sign = LLVMBuildAnd(bld->builder, sign, mask, ""); sign = LLVMBuildAShr(bld->builder, sign, lp_build_int_const_scalar(type, type.width - 1), ""); + lp_build_name(sign, "floor.sign"); /* offset = -0.99999(9)f */ offset = lp_build_const_scalar(type, -(double)(((unsigned long long)1 << mantissa) - 1)/((unsigned long long)1 << mantissa)); @@ -908,11 +912,14 @@ lp_build_ifloor(struct lp_build_context *bld, /* offset = a < 0 ? -0.99999(9)f : 0.0f */ offset = LLVMBuildAnd(bld->builder, offset, sign, ""); offset = LLVMBuildBitCast(bld->builder, offset, vec_type, ""); + lp_build_name(offset, "floor.offset"); res = LLVMBuildAdd(bld->builder, a, offset, ""); + lp_build_name(res, "floor.res"); } res = LLVMBuildFPToSI(bld->builder, res, int_vec_type, ""); + lp_build_name(res, "floor"); return res; } |