Displaying 2 results from an estimated 2 matches for "xmm7b".
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2012 Jan 09
3
[LLVMdev] Calling conventions for YMM registers on AVX
On Jan 9, 2012, at 10:00 AM, Jakob Stoklund Olesen wrote:
>
> On Jan 8, 2012, at 11:18 PM, Demikhovsky, Elena wrote:
>
>> I'll explain what we see in the code.
>> 1. The caller saves XMM registers across the call if needed (according to DEFS definition).
>> YMMs are not in the set, so caller does not take care.
>
> This is not how the register allocator
2012 Jan 10
0
[LLVMdev] Calling conventions for YMM registers on AVX
...;xmm3b">, DwarfRegNum<[20, 24, 24]>;
def XMM4b: Register<"xmm4b">, DwarfRegNum<[21, 25, 25]>;
def XMM5b: Register<"xmm5b">, DwarfRegNum<[22, 26, 26]>;
def XMM6b: Register<"xmm6b">, DwarfRegNum<[23, 27, 27]>;
def XMM7b: Register<"xmm7b">, DwarfRegNum<[24, 28, 28]>;
// X86-64 only
def XMM8b: Register<"xmm8b">, DwarfRegNum<[25, -2, -2]>;
def XMM9b: Register<"xmm9b">, DwarfRegNum<[26, -2, -2]>;
def XMM10b: Register<"xmm10b"&g...