diff options
Diffstat (limited to 'src/gallium/auxiliary/gallivm/lp_bld_const.c')
-rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_const.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_const.c b/src/gallium/auxiliary/gallivm/lp_bld_const.c index c8eaa8c394..8a275fa72f 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_const.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_const.c @@ -221,8 +221,16 @@ lp_build_undef(struct lp_type type) LLVMValueRef lp_build_zero(struct lp_type type) { - LLVMTypeRef vec_type = lp_build_vec_type(type); - return LLVMConstNull(vec_type); + if (type.length == 1) { + if (type.floating) + return LLVMConstReal(LLVMFloatType(), 0.0); + else + return LLVMConstInt(LLVMIntType(type.width), 0, 0); + } + else { + LLVMTypeRef vec_type = lp_build_vec_type(type); + return LLVMConstNull(vec_type); + } } @@ -264,10 +272,16 @@ lp_build_one(struct lp_type type) for(i = 1; i < type.length; ++i) elems[i] = elems[0]; - return LLVMConstVector(elems, type.length); + if (type.length == 1) + return elems[0]; + else + return LLVMConstVector(elems, type.length); } +/** + * Build constant-valued vector from a scalar value. + */ LLVMValueRef lp_build_const_scalar(struct lp_type type, double val) |