diff options
| author | Dave Airlie <[email protected]> | 2012-02-17 19:02:21 +0000 |
|---|---|---|
| committer | Dave Airlie <[email protected]> | 2012-02-28 10:42:17 +0000 |
| commit | aec11e4daa36fb31774971ce34f04e3ebeeeeed7 (patch) | |
| tree | 7de363d6cfb5b19dbe691324a3f81029d7fd4649 /src | |
| parent | 72931ca4b9fb1002f5b62b74f7f7f32e94e80fde (diff) | |
gallivm: add bitarit xor and not ops.
Signed-off-by: Dave Airlie <[email protected]>
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_bitarit.c | 44 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_bitarit.h | 5 |
2 files changed, 49 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_bitarit.c b/src/gallium/auxiliary/gallivm/lp_bld_bitarit.c index a9c57d682f2..97ae1622c27 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_bitarit.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_bitarit.c @@ -62,6 +62,31 @@ lp_build_or(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b) return res; } +/* bitwise XOR (a ^ b) */ +LLVMValueRef +lp_build_xor(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b) +{ + LLVMBuilderRef builder = bld->gallivm->builder; + const struct lp_type type = bld->type; + LLVMValueRef res; + + 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(builder, a, bld->int_vec_type, ""); + b = LLVMBuildBitCast(builder, b, bld->int_vec_type, ""); + } + + res = LLVMBuildXor(builder, a, b, ""); + + if (type.floating) { + res = LLVMBuildBitCast(builder, res, bld->vec_type, ""); + } + + return res; +} /** * Return (a & b) @@ -121,6 +146,25 @@ lp_build_andnot(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b) return res; } +/* bitwise NOT */ +LLVMValueRef +lp_build_not(struct lp_build_context *bld, LLVMValueRef a) +{ + LLVMBuilderRef builder = bld->gallivm->builder; + const struct lp_type type = bld->type; + LLVMValueRef res; + + assert(lp_check_value(type, a)); + + if (type.floating) { + a = LLVMBuildBitCast(builder, a, bld->int_vec_type, ""); + } + res = LLVMBuildNot(builder, a, ""); + if (type.floating) { + res = LLVMBuildBitCast(builder, res, bld->vec_type, ""); + } + return res; +} /** * Shift left. diff --git a/src/gallium/auxiliary/gallivm/lp_bld_bitarit.h b/src/gallium/auxiliary/gallivm/lp_bld_bitarit.h index 5c5b9818519..29f5def9b58 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_bitarit.h +++ b/src/gallium/auxiliary/gallivm/lp_bld_bitarit.h @@ -48,6 +48,9 @@ LLVMValueRef lp_build_or(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b); LLVMValueRef +lp_build_xor(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b); + +LLVMValueRef lp_build_and(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b); LLVMValueRef @@ -65,5 +68,7 @@ lp_build_shl_imm(struct lp_build_context *bld, LLVMValueRef a, unsigned imm); LLVMValueRef lp_build_shr_imm(struct lp_build_context *bld, LLVMValueRef a, unsigned imm); +LLVMValueRef +lp_build_not(struct lp_build_context *bld, LLVMValueRef a); #endif /* !LP_BLD_ARIT_H */ |