rust/compiler/rustc_codegen_llvm/src/back/write.rs, branch 1.49.0

Collapse all uses of `target.options.foo` into `target.foo`

2020-11-08T14:29:13+00:00

with an eye on merging `TargetOptions` into `Target`. `TargetOptions` as a separate structure is mostly an implementation detail of `Target` construction, all its fields logically belong to `Target` and available from `Target` through `Deref` impls.

Implement -Z relax-elf-relocations=yes|no

2020-10-31T16:16:56+00:00

This lets rustc users tweak whether the linker should relax ELF relocations, namely whether it should emit R_X86_64_GOTPCRELX relocations instead of R_X86_64_GOTPCREL, as the former is allowed by the ABI to be further optimised. The default value is whatever the target defines.

Implement -Z function-sections=yes|no

2020-10-26T22:26:43+00:00

This lets rustc users tweak whether all functions should be put in their own TEXT section, using whatever default value the target defines if the flag is missing.

Revert "Set .llvmbc and .llvmcmd sections as allocatable"

2020-10-23T19:54:00+00:00

Rollup merge of #77961 - glandium:embed-bitcode, r=nagisa

2020-10-17T01:27:20+00:00

Set .llvmbc and .llvmcmd sections as allocatable This marks both sections as allocatable rather than excluded, which matches what clang does with the equivalent `-fembed-bitcode` flag.

Replace target.target with target and target.ptr_width with target.pointer_width

2020-10-15T10:02:24+00:00

Preparation for a subsequent change that replaces rustc_target::config::Config with its wrapped Target. On its own, this commit breaks the build. I don't like making build-breaking commits, but in this instance I believe that it makes review easier, as the "real" changes of this PR can be seen much more easily. Result of running: find compiler/ -type f -exec sed -i -e 's/target\.target$[)\.,; ]$/target\1/g' {} \; find compiler/ -type f -exec sed -i -e 's/target\.target$/target/g' {} \; find compiler/ -type f -exec sed -i -e 's/target.ptr_width/target.pointer_width/g' {} \; ./x.py fmt

Set .llvmbc and .llvmcmd sections as allocatable

2020-10-15T05:04:57+00:00

Update LLVM and add Unsupported diagnostic

2020-09-30T13:57:37+00:00

Secure entry functions do not support if arguments are passed on the stack. An "unsupported" diagnostic will be emitted by LLVM if that is the case. This commits adds support in Rust for that diagnostic so that an error will be output if that is the case! Signed-off-by: Hugues de Valon

Add `-Z combine_cgu` flag

2020-09-09T07:32:23+00:00

Introduce a compiler option to let rustc combines all regular CGUs into a single one at the end of compilation. Part of Issue #64191

mv compiler to compiler/

2020-08-30T15:45:07+00:00