Save all callee-saved registers in prologue.

2017-11-29 16:34:21 -08:00
parent b049916d35
commit f31a764fc8
2 changed files with 43 additions and 5 deletions
--- a/lib/cretonne/src/isa/intel/abi.rs
+++ b/lib/cretonne/src/isa/intel/abi.rs
@@ -15,6 +15,9 @@ static ARG_GPRS: [RU; 6] = [RU::rdi, RU::rsi, RU::rdx, RU::rcx, RU::r8, RU::r9];
 /// Return value registers.
 static RET_GPRS: [RU; 3] = [RU::rax, RU::rdx, RU::rcx];

+/// Callee-saved registers
+pub static CSR_GPRS: [RU; 5] = [RU::rbx, RU::r12, RU::r13, RU::r14, RU::r15];
+
 struct Args {
    pointer_bytes: u32,
    pointer_bits: u16,