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113 lines
4.1 KiB
Diff
113 lines
4.1 KiB
Diff
From c1b4c64a28d9fc093229eab91a3a7fc4cb4fe29a Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Kai=20Wasserb=C3=A4ch?= <kai@dev.carbon-project.org>
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Date: Thu, 22 Jul 2021 07:34:09 +0200
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Subject: [PATCH 1/2] gallivm: add new wrapper around
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Module::setOverrideStackAlignment()
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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We need it in the next commit to replace setting the stack alignment on
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i386 with LLVM >= 13 through the TargetOption::StackAlignmentOverride,
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which was removed in the upstream commit
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<https://github.com/llvm/llvm-project/commit/3787ee457173c3612aac4c9b1a2b6d6ab0202616>.
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Unfortunately Module::setOverrideStackAlignment() is not available
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through the C API and we need to wrap it ourselves.
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Signed-off-by: Kai Wasserbäch <kai@dev.carbon-project.org>
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Reference: mesa/mesa#4906
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Reviewed-by: Roland Scheidegger <sroland@vmware.com>
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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11940>
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---
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src/gallium/auxiliary/gallivm/lp_bld_misc.cpp | 9 +++++++++
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src/gallium/auxiliary/gallivm/lp_bld_misc.h | 3 +++
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2 files changed, 12 insertions(+)
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diff --git a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
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index 44d07fe69c6..5f52ed08fae 100644
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--- a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
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+++ b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
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@@ -615,3 +615,12 @@ lp_is_function(LLVMValueRef v)
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{
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return LLVMGetValueKind(v) == LLVMFunctionValueKind;
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}
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+
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+extern "C" void
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+lp_set_module_stack_alignment_override(LLVMModuleRef MRef, unsigned align)
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+{
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+#if LLVM_VERSION_MAJOR >= 13
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+ llvm::Module *M = llvm::unwrap(MRef);
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+ M->setOverrideStackAlignment(align);
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+#endif
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+}
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diff --git a/src/gallium/auxiliary/gallivm/lp_bld_misc.h b/src/gallium/auxiliary/gallivm/lp_bld_misc.h
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index f2a15f19e47..fa0ce90162e 100644
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--- a/src/gallium/auxiliary/gallivm/lp_bld_misc.h
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+++ b/src/gallium/auxiliary/gallivm/lp_bld_misc.h
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@@ -91,6 +91,9 @@ lp_is_function(LLVMValueRef v);
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void
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lp_free_objcache(void *objcache);
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+
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+void
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+lp_set_module_stack_alignment_override(LLVMModuleRef M, unsigned align);
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#ifdef __cplusplus
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}
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#endif
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--
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GitLab
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From 3a2d317b996f57647da23de7876142be4b9b71f3 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Kai=20Wasserb=C3=A4ch?= <kai@dev.carbon-project.org>
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Date: Thu, 22 Jul 2021 07:42:12 +0200
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Subject: [PATCH 2/2] gallivm: fix FTBFS on i386 with LLVM >= 13,
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StackAlignmentOverride is gone
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Use the newly added wrapper lp_set_module_stack_alignment_override() to
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achieve the same end result.
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Signed-off-by: Kai Wasserbäch <kai@dev.carbon-project.org>
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Closes: mesa/mesa#4906
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Reviewed-by: Roland Scheidegger <sroland@vmware.com>
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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11940>
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---
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src/gallium/auxiliary/gallivm/lp_bld_init.c | 4 ++++
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src/gallium/auxiliary/gallivm/lp_bld_misc.cpp | 2 +-
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2 files changed, 5 insertions(+), 1 deletion(-)
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diff --git a/src/gallium/auxiliary/gallivm/lp_bld_init.c b/src/gallium/auxiliary/gallivm/lp_bld_init.c
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index 8e5fe6f24dc..d2d049ace5e 100644
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--- a/src/gallium/auxiliary/gallivm/lp_bld_init.c
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+++ b/src/gallium/auxiliary/gallivm/lp_bld_init.c
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@@ -347,6 +347,10 @@ init_gallivm_state(struct gallivm_state *gallivm, const char *name,
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if (!gallivm->module)
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goto fail;
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+#if defined(PIPE_ARCH_X86)
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+ lp_set_module_stack_alignment_override(gallivm->module, 4);
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+#endif
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+
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gallivm->builder = LLVMCreateBuilderInContext(gallivm->context);
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if (!gallivm->builder)
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goto fail;
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diff --git a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
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index 5f52ed08fae..be288ab02e2 100644
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--- a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
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+++ b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
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@@ -350,7 +350,7 @@ lp_build_create_jit_compiler_for_module(LLVMExecutionEngineRef *OutJIT,
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* friends for configuring code generation options, like stack alignment.
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*/
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TargetOptions options;
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-#if defined(PIPE_ARCH_X86)
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+#if defined(PIPE_ARCH_X86) && LLVM_VERSION_MAJOR < 13
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options.StackAlignmentOverride = 4;
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#endif
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--
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GitLab
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