From 3ae20b67ab88bd595a6dca9814dd642c5d056d9f Mon Sep 17 00:00:00 2001 From: Homer Hsing Date: Fri, 13 Sep 2013 09:41:02 +0800 Subject: support converting 64-bit integer to 32-bit float version 2: improve algorithm to convert signed integer fix source operand type in llvm_gen_backend enable predicate in addWithCarry change test case to test signed integer Signed-off-by: Homer Hsing Reviewed-by: "Yang, Rong R" --- utests/compiler_long_convert.cpp | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) (limited to 'utests/compiler_long_convert.cpp') diff --git a/utests/compiler_long_convert.cpp b/utests/compiler_long_convert.cpp index fe976be5..827a45bd 100644 --- a/utests/compiler_long_convert.cpp +++ b/utests/compiler_long_convert.cpp @@ -116,3 +116,43 @@ void compiler_long_convert_2(void) } MAKE_UTEST_FROM_FUNCTION(compiler_long_convert_2); + +// convert 64-bit integer to 32-bit float +void compiler_long_convert_to_float(void) +{ + const size_t n = 16; + int64_t src[n]; + + // Setup kernel and buffers + OCL_CREATE_KERNEL_FROM_FILE("compiler_long_convert", "compiler_long_convert_to_float"); + OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(float), NULL); + OCL_CREATE_BUFFER(buf[1], 0, n * sizeof(int64_t), NULL); + OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]); + OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]); + globals[0] = n; + locals[0] = 16; + + // Run random tests + for (int32_t i = 0; i < (int32_t) n; ++i) { + src[i] = -(int64_t)i; + } + OCL_MAP_BUFFER(1); + memcpy(buf_data[1], src, sizeof(src)); + OCL_UNMAP_BUFFER(1); + + // Run the kernel on GPU + OCL_NDRANGE(1); + + // Compare + OCL_MAP_BUFFER(0); + OCL_MAP_BUFFER(1); + float *dst = ((float *)buf_data[0]); + for (int32_t i = 0; i < (int32_t) n; ++i) { + //printf("%f\n", dst[i]); + OCL_ASSERT(dst[i] == src[i]); + } + OCL_UNMAP_BUFFER(0); + OCL_UNMAP_BUFFER(1); +} + +MAKE_UTEST_FROM_FUNCTION(compiler_long_convert_to_float); -- cgit v1.2.1