diff options
| author | Samuel Pitoiset <[email protected]> | 2018-03-02 15:01:32 +0100 |
|---|---|---|
| committer | Samuel Pitoiset <[email protected]> | 2018-03-05 11:04:36 +0100 |
| commit | 322a51b549c2db2d93f6cf84ff7df225779b5584 (patch) | |
| tree | e6fd0cf4a398c0e4838b4b3160e0f5580031fe6d /src/amd | |
| parent | e8bdde228955b951fad707680fbd4a83e175f192 (diff) | |
ac: add ac_build_fsign()
Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Timothy Arceri <[email protected]>
Diffstat (limited to 'src/amd')
| -rw-r--r-- | src/amd/common/ac_llvm_build.c | 23 | ||||
| -rw-r--r-- | src/amd/common/ac_llvm_build.h | 3 | ||||
| -rw-r--r-- | src/amd/common/ac_nir_to_llvm.c | 27 |
3 files changed, 28 insertions, 25 deletions
diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c index cab8396f820..8140184b3ba 100644 --- a/src/amd/common/ac_llvm_build.c +++ b/src/amd/common/ac_llvm_build.c @@ -1731,6 +1731,29 @@ LLVMValueRef ac_build_isign(struct ac_llvm_context *ctx, LLVMValueRef src0, return val; } +LLVMValueRef ac_build_fsign(struct ac_llvm_context *ctx, LLVMValueRef src0, + unsigned bitsize) +{ + LLVMValueRef cmp, val, zero, one; + LLVMTypeRef type; + + if (bitsize == 32) { + type = ctx->f32; + zero = ctx->f32_0; + one = ctx->f32_1; + } else { + type = ctx->f64; + zero = ctx->f64_0; + one = ctx->f64_1; + } + + cmp = LLVMBuildFCmp(ctx->builder, LLVMRealOGT, src0, zero, ""); + val = LLVMBuildSelect(ctx->builder, cmp, one, src0, ""); + cmp = LLVMBuildFCmp(ctx->builder, LLVMRealOGE, val, zero, ""); + val = LLVMBuildSelect(ctx->builder, cmp, val, LLVMConstReal(type, -1.0), ""); + return val; +} + void ac_get_image_intr_name(const char *base_name, LLVMTypeRef data_type, LLVMTypeRef coords_type, diff --git a/src/amd/common/ac_llvm_build.h b/src/amd/common/ac_llvm_build.h index 860c25f6777..4eee9b32e9a 100644 --- a/src/amd/common/ac_llvm_build.h +++ b/src/amd/common/ac_llvm_build.h @@ -341,6 +341,9 @@ LLVMValueRef ac_build_fract(struct ac_llvm_context *ctx, LLVMValueRef src0, LLVMValueRef ac_build_isign(struct ac_llvm_context *ctx, LLVMValueRef src0, unsigned bitsize); +LLVMValueRef ac_build_fsign(struct ac_llvm_context *ctx, LLVMValueRef src0, + unsigned bitsize); + void ac_get_image_intr_name(const char *base_name, LLVMTypeRef data_type, LLVMTypeRef coords_type, diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c index 70198fbf208..d2df2837c8a 100644 --- a/src/amd/common/ac_nir_to_llvm.c +++ b/src/amd/common/ac_nir_to_llvm.c @@ -1338,30 +1338,6 @@ static LLVMValueRef emit_iabs(struct ac_llvm_context *ctx, LLVMBuildNeg(ctx->builder, src0, "")); } -static LLVMValueRef emit_fsign(struct ac_llvm_context *ctx, - LLVMValueRef src0, - unsigned bitsize) -{ - LLVMValueRef cmp, val, zero, one; - LLVMTypeRef type; - - if (bitsize == 32) { - type = ctx->f32; - zero = ctx->f32_0; - one = ctx->f32_1; - } else { - type = ctx->f64; - zero = ctx->f64_0; - one = ctx->f64_1; - } - - cmp = LLVMBuildFCmp(ctx->builder, LLVMRealOGT, src0, zero, ""); - val = LLVMBuildSelect(ctx->builder, cmp, one, src0, ""); - cmp = LLVMBuildFCmp(ctx->builder, LLVMRealOGE, val, zero, ""); - val = LLVMBuildSelect(ctx->builder, cmp, val, LLVMConstReal(type, -1.0), ""); - return val; -} - static LLVMValueRef emit_uint_carry(struct ac_llvm_context *ctx, const char *intrin, LLVMValueRef src0, LLVMValueRef src1) @@ -1789,7 +1765,8 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr) break; case nir_op_fsign: src[0] = ac_to_float(&ctx->ac, src[0]); - result = emit_fsign(&ctx->ac, src[0], instr->dest.dest.ssa.bit_size); + result = ac_build_fsign(&ctx->ac, src[0], + instr->dest.dest.ssa.bit_size); break; case nir_op_ffloor: result = emit_intrin_1f_param(&ctx->ac, "llvm.floor", |