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Add links about clobber_abi on PowerPC

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Taiki Endo 2024-11-07 22:21:27 +09:00
parent 01b5a678c5
commit e2d50315ef
1 changed files with 15 additions and 0 deletions
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15
compiler/rustc_target/src/asm/mod.rs
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@ -1128,6 +1128,21 @@ impl InlineAsmClobberAbi {
},
InlineAsmClobberAbi::PowerPC => clobbered_regs! {
PowerPC PowerPCInlineAsmReg {
// Refs:
// - PPC32 SysV: "3.2. Function Calling Sequence" in Power Architecture® 32-bit Application Binary Interface Supplement 1.0 - Linux® & Embedded
// https://web.archive.org/web/20120608163804/https://www.power.org/resources/downloads/Power-Arch-32-bit-ABI-supp-1.0-Unified.pdf
// - PPC64 ELFv1: "3.2. Function Calling Sequence" in 64-bit PowerPC ELF Application Binary Interface Supplement 1.9
// https://refspecs.linuxfoundation.org/ELF/ppc64/PPC-elf64abi.html#FUNC-CALL
// - PPC64 ELFv2: "2.2 Function Calling Sequence" in 64-Bit ELF V2 ABI Specification: Power Architecture, Revision 1.5
// https://openpowerfoundation.org/specifications/64bitelfabi/
// - AIX:
// - Register usage and conventions
// https://www.ibm.com/docs/en/aix/7.3?topic=overview-register-usage-conventions
// - Special registers in the PowerPC®
// https://www.ibm.com/docs/en/aix/7.3?topic=overview-special-registers-in-powerpc
// - AIX vector programming
// https://www.ibm.com/docs/en/aix/7.3?topic=concepts-aix-vector-programming
// r0, r3-r12
r0,
r3, r4, r5, r6, r7,