From: Brian Paul Date: Tue, 6 Jul 2010 17:36:01 +0000 (-0600) Subject: llvmpipe: add test program for round(), trunc(), floor(), ceil() X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7743791da03388ad8ba5bb50faa2f7cda47aafef;p=mesa.git llvmpipe: add test program for round(), trunc(), floor(), ceil() --- diff --git a/src/gallium/drivers/llvmpipe/Makefile b/src/gallium/drivers/llvmpipe/Makefile index 3d405676ed2..b18f52459ab 100644 --- a/src/gallium/drivers/llvmpipe/Makefile +++ b/src/gallium/drivers/llvmpipe/Makefile @@ -54,6 +54,7 @@ PROGS := lp_test_format \ lp_test_blend \ lp_test_conv \ lp_test_printf \ + lp_test_round \ lp_test_sincos lp_test_sincos.o : sse_mathfun.h diff --git a/src/gallium/drivers/llvmpipe/lp_test_round.c b/src/gallium/drivers/llvmpipe/lp_test_round.c new file mode 100644 index 00000000000..f571a81a4a4 --- /dev/null +++ b/src/gallium/drivers/llvmpipe/lp_test_round.c @@ -0,0 +1,277 @@ +/************************************************************************** + * + * Copyright 2010 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#include +#include + +#include "util/u_pointer.h" +#include "gallivm/lp_bld.h" +#include "gallivm/lp_bld_printf.h" +#include "gallivm/lp_bld_arit.h" + +#include +#include +#include +#include + +#include "lp_test.h" + + +void +write_tsv_header(FILE *fp) +{ + fprintf(fp, + "result\t" + "format\n"); + + fflush(fp); +} + + +#ifdef PIPE_ARCH_SSE + +#define USE_SSE2 +#include "sse_mathfun.h" + +typedef __m128 (*test_round_t)(__m128); + +typedef LLVMValueRef (*lp_func_t)(struct lp_build_context *, LLVMValueRef); + + +static LLVMValueRef +add_test(LLVMModuleRef module, const char *name, lp_func_t lp_func) +{ + LLVMTypeRef v4sf = LLVMVectorType(LLVMFloatType(), 4); + LLVMTypeRef args[1] = { v4sf }; + LLVMValueRef func = LLVMAddFunction(module, name, LLVMFunctionType(v4sf, args, 1, 0)); + LLVMValueRef arg1 = LLVMGetParam(func, 0); + LLVMBuilderRef builder = LLVMCreateBuilder(); + LLVMBasicBlockRef block = LLVMAppendBasicBlock(func, "entry"); + LLVMValueRef ret; + struct lp_build_context bld; + + bld.builder = builder; + bld.type.floating = 1; + bld.type.width = 32; + bld.type.length = 4; + + LLVMSetFunctionCallConv(func, LLVMCCallConv); + + LLVMPositionBuilderAtEnd(builder, block); + + ret = lp_func(&bld, arg1); + + LLVMBuildRet(builder, ret); + LLVMDisposeBuilder(builder); + return func; +} + +static void +printv(char* string, v4sf value) +{ + v4sf v = value; + float *f = (float *)&v; + printf("%s: %10f %10f %10f %10f\n", string, + f[0], f[1], f[2], f[3]); +} + +static void +compare(v4sf x, v4sf y) +{ + float *xp = (float *) &x; + float *yp = (float *) &y; + if (xp[0] != yp[0] || + xp[1] != yp[1] || + xp[2] != yp[2] || + xp[3] != yp[3]) { + printf(" Incorrect result! ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n"); + } +} + + + +PIPE_ALIGN_STACK +static boolean +test_round(unsigned verbose, FILE *fp) +{ + LLVMModuleRef module = NULL; + LLVMValueRef test_round = NULL, test_trunc, test_floor, test_ceil; + LLVMExecutionEngineRef engine = NULL; + LLVMModuleProviderRef provider = NULL; + LLVMPassManagerRef pass = NULL; + char *error = NULL; + test_round_t round_func, trunc_func, floor_func, ceil_func; + float unpacked[4]; + unsigned packed; + boolean success = TRUE; + int i; + + module = LLVMModuleCreateWithName("test"); + + test_round = add_test(module, "round", lp_build_round); + test_trunc = add_test(module, "trunc", lp_build_trunc); + test_floor = add_test(module, "floor", lp_build_floor); + test_ceil = add_test(module, "ceil", lp_build_ceil); + + if(LLVMVerifyModule(module, LLVMPrintMessageAction, &error)) { + printf("LLVMVerifyModule: %s\n", error); + LLVMDumpModule(module); + abort(); + } + LLVMDisposeMessage(error); + + provider = LLVMCreateModuleProviderForExistingModule(module); + if (LLVMCreateJITCompiler(&engine, provider, 1, &error)) { + fprintf(stderr, "%s\n", error); + LLVMDisposeMessage(error); + abort(); + } + +#if 0 + pass = LLVMCreatePassManager(); + LLVMAddTargetData(LLVMGetExecutionEngineTargetData(engine), pass); + /* These are the passes currently listed in llvm-c/Transforms/Scalar.h, + * but there are more on SVN. */ + LLVMAddConstantPropagationPass(pass); + LLVMAddInstructionCombiningPass(pass); + LLVMAddPromoteMemoryToRegisterPass(pass); + LLVMAddGVNPass(pass); + LLVMAddCFGSimplificationPass(pass); + LLVMRunPassManager(pass, module); +#else + (void)pass; +#endif + + round_func = (test_round_t) pointer_to_func(LLVMGetPointerToGlobal(engine, test_round)); + trunc_func = (test_round_t) pointer_to_func(LLVMGetPointerToGlobal(engine, test_trunc)); + floor_func = (test_round_t) pointer_to_func(LLVMGetPointerToGlobal(engine, test_floor)); + ceil_func = (test_round_t) pointer_to_func(LLVMGetPointerToGlobal(engine, test_ceil)); + + memset(unpacked, 0, sizeof unpacked); + packed = 0; + + if (0) + LLVMDumpModule(module); + + for (i = 0; i < 3; i++) { + v4sf xvals[3] = { + {-10.0, -1, 0, 12.0}, + {-1.5, -0.25, 1.25, 2.5}, + {-0.99, -0.01, 0.01, 0.99} + }; + v4sf x = xvals[i]; + v4sf y, ref; + float *xp = (float *) &x; + float *refp = (float *) &ref; + + printf("\n"); + printv("x ", x); + + refp[0] = round(xp[0]); + refp[1] = round(xp[1]); + refp[2] = round(xp[2]); + refp[3] = round(xp[3]); + y = round_func(x); + printv("C round(x) ", ref); + printv("LLVM round(x)", y); + compare(ref, y); + + refp[0] = trunc(xp[0]); + refp[1] = trunc(xp[1]); + refp[2] = trunc(xp[2]); + refp[3] = trunc(xp[3]); + y = trunc_func(x); + printv("C trunc(x) ", ref); + printv("LLVM trunc(x)", y); + compare(ref, y); + + refp[0] = floor(xp[0]); + refp[1] = floor(xp[1]); + refp[2] = floor(xp[2]); + refp[3] = floor(xp[3]); + y = floor_func(x); + printv("C floor(x) ", ref); + printv("LLVM floor(x)", y); + compare(ref, y); + + refp[0] = ceil(xp[0]); + refp[1] = ceil(xp[1]); + refp[2] = ceil(xp[2]); + refp[3] = ceil(xp[3]); + y = ceil_func(x); + printv("C ceil(x) ", ref); + printv("LLVM ceil(x) ", y); + compare(ref, y); + } + + LLVMFreeMachineCodeForFunction(engine, test_round); + LLVMFreeMachineCodeForFunction(engine, test_trunc); + LLVMFreeMachineCodeForFunction(engine, test_floor); + LLVMFreeMachineCodeForFunction(engine, test_ceil); + + LLVMDisposeExecutionEngine(engine); + if(pass) + LLVMDisposePassManager(pass); + + return success; +} + +#else /* !PIPE_ARCH_SSE */ + +static boolean +test_round(unsigned verbose, FILE *fp) +{ + return TRUE; +} + +#endif /* !PIPE_ARCH_SSE */ + + +boolean +test_all(unsigned verbose, FILE *fp) +{ + boolean success = TRUE; + + test_round(verbose, fp); + + return success; +} + + +boolean +test_some(unsigned verbose, FILE *fp, unsigned long n) +{ + return test_all(verbose, fp); +} + +boolean +test_single(unsigned verbose, FILE *fp) +{ + printf("no test_single()"); + return TRUE; +}