fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-02-16 23:50:37 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

gallivm: Fix bitwise operations for floats, division for integers

Browse source 
http://bugs.freedesktop.org/29407

Signed-off-by: José Fonseca <jfonseca@vmware.com>
This commit is contained in:
nobled 2010-08-09 21:25:18 +00:00 • committed by José Fonseca
parent a44a6960fa
commit 20b3e40f16
2 changed files with 27 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
src/gallium/auxiliary/gallivm/lp_bld_arit.c
View file

@ -588,13 +588,24 @@ lp_build_div(struct lp_build_context *bld,
if(a == bld->undef || b == bld->undef)
return bld->undef;
if(LLVMIsConstant(a) && LLVMIsConstant(b))
return LLVMConstFDiv(a, b);
if(LLVMIsConstant(a) && LLVMIsConstant(b)) {
if (type.floating)
return LLVMConstFDiv(a, b);
else if (type.sign)
return LLVMConstSDiv(a, b);
else
return LLVMConstUDiv(a, b);
}
if(util_cpu_caps.has_sse && type.width == 32 && type.length == 4)
return lp_build_mul(bld, a, lp_build_rcp(bld, b));
return LLVMBuildFDiv(bld->builder, a, b, "");
if (type.floating)
return LLVMBuildFDiv(bld->builder, a, b, "");
else if (type.sign)
return LLVMBuildSDiv(bld->builder, a, b, "");
else
return LLVMBuildUDiv(bld->builder, a, b, "");
}

15
src/gallium/auxiliary/gallivm/lp_bld_logic.c
View file

@ -550,11 +550,22 @@ lp_build_select_aos(struct lp_build_context *bld,
LLVMValueRef
lp_build_andc(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b)
{
assert(lp_check_value(bld->type, a));
assert(lp_check_value(bld->type, b));
const struct lp_type type = bld->type;
assert(lp_check_value(type, a));
assert(lp_check_value(type, b));
/* can't do bitwise ops on floating-point values */
if(type.floating) {
a = LLVMBuildBitCast(bld->builder, a, bld->int_vec_type, "");
b = LLVMBuildBitCast(bld->builder, b, bld->int_vec_type, "");
}
b = LLVMBuildNot(bld->builder, b, "");
b = LLVMBuildAnd(bld->builder, a, b, "");
if(type.floating) {
b = LLVMBuildBitCast(bld->builder, b, bld->vec_type, "");
}
return b;
}