https://bugs.freedesktop.org/show_bug.cgi?id=64877

Priority: medium Bug ID: 64877 Assignee: dri-devel@lists.freedesktop.org Summary: R600 OpenCL Regression since e917ed96ae38f Severity: normal Classification: Unclassified OS: All Reporter: awatry@gmail.com Hardware: All Status: NEW Version: git Component: Drivers/Gallium/r600 Product: Mesa

Created attachment 79681 --> https://bugs.freedesktop.org/attachment.cgi?id=79681&action=edit Test case that passed before the bisected commit and fails on git head

Using the piglit generated_tests/cl/builtin/int/builtin-int-min-1.1.generated.cl scalar test cases (attached min.cl), results went from all passing to about half of the test cases failing with the following commit:

Hardware: Radeon HD 5400 series Radeon HD 6850

e917ed96ae38fc382bac50a6536d761b829ac8cd is the first bad commit commit e917ed96ae38fc382bac50a6536d761b829ac8cd Author: Tom Stellard thomas.stellard@amd.com Date: Fri May 3 11:15:55 2013 -0700

r600g/llvm: Don't emit CALL_FS for vertex shaders

The LLVM backend takes care of this now.

Each stage of the bisect was run using the matching LLVM revision specified in mesa/src/gallium/drivers/radeon/LLVM_REVISION.txt