93 lines
2.3 KiB
Rust
93 lines
2.3 KiB
Rust
// Test for -Z small_data_threshold=...
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//@ revisions: RISCV MIPS HEXAGON M68K
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//@ assembly-output: emit-asm
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//@ compile-flags: -Z small_data_threshold=4
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//@ [RISCV] compile-flags: --target=riscv32im-unknown-none-elf
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//@ [RISCV] needs-llvm-components: riscv
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//@ [MIPS] compile-flags: --target=mips-unknown-linux-uclibc -C relocation-model=static
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//@ [MIPS] compile-flags: -C llvm-args=-mgpopt -C llvm-args=-mlocal-sdata
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//@ [MIPS] compile-flags: -C target-feature=+noabicalls
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//@ [MIPS] needs-llvm-components: mips
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//@ [HEXAGON] compile-flags: --target=hexagon-unknown-linux-musl -C target-feature=+small-data
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//@ [HEXAGON] compile-flags: -C llvm-args=--hexagon-statics-in-small-data
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//@ [HEXAGON] needs-llvm-components: hexagon
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//@ [M68K] compile-flags: --target=m68k-unknown-linux-gnu
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//@ [M68K] needs-llvm-components: m68k
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#![feature(no_core, lang_items)]
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#![no_std]
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#![no_core]
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#![crate_type = "lib"]
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#[lang = "sized"]
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trait Sized {}
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#[lang = "drop_in_place"]
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fn drop_in_place<T>(_: *mut T) {}
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#[used]
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#[no_mangle]
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// U is below the threshold, should be in sdata
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static mut U: u16 = 123;
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#[used]
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#[no_mangle]
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// V is below the threshold, should be in sbss
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static mut V: u16 = 0;
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#[used]
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#[no_mangle]
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// W is at the threshold, should be in sdata
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static mut W: u32 = 123;
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#[used]
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#[no_mangle]
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// X is at the threshold, should be in sbss
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static mut X: u32 = 0;
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#[used]
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#[no_mangle]
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// Y is over the threshold, should be in its own .data section
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static mut Y: u64 = 123;
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#[used]
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#[no_mangle]
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// Z is over the threshold, should be in its own .bss section
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static mut Z: u64 = 0;
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// Currently, only MIPS and RISCV successfully put any objects in the small data
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// sections so the U/V/W/X tests are skipped on Hexagon and M68K
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//@ RISCV: .section .sdata
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//@ RISCV-NOT: .section
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//@ RISCV: U:
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//@ RISCV: .section .sbss
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//@ RISCV-NOT: .section
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//@ RISCV: V:
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//@ RISCV: .section .sdata
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//@ RISCV-NOT: .section
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//@ RISCV: W:
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//@ RISCV: .section .sbss
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//@ RISCV-NOT: .section
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//@ RISCV: X:
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//@ MIPS: .section .sdata
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//@ MIPS-NOT: .section
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//@ MIPS: U:
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//@ MIPS: .section .sbss
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//@ MIPS-NOT: .section
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//@ MIPS: V:
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//@ MIPS: .section .sdata
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//@ MIPS-NOT: .section
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//@ MIPS: W:
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//@ MIPS: .section .sbss
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//@ MIPS-NOT: .section
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//@ MIPS: X:
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//@ CHECK: .section .data.Y,
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//@ CHECK-NOT: .section
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//@ CHECK: Y:
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//@ CHECK: .section .bss.Z,
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//@ CHECK-NOT: .section
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//@ CHECK: Z:
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