bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Add tmm_reg clobbers

Browse source
This commit is contained in:
Connor Horman 2022-05-16 20:15:06 -04:00
parent c52b9c10bf
commit 658be0d1cf
3 changed files with 20 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

13
compiler/rustc_target/src/asm/x86.rs
View file

@ -17,6 +17,7 @@ def_reg_class! {
kreg0,
mmx_reg,
x87_reg,
tmm_reg,
}
}
@ -41,6 +42,7 @@ impl X86InlineAsmRegClass {
Self::xmm_reg | Self::ymm_reg | Self::zmm_reg => &['x', 'y', 'z'],
Self::kreg | Self::kreg0 => &[],
Self::mmx_reg | Self::x87_reg => &[],
Self::tmm_reg => &[],
}
}
@ -80,6 +82,7 @@ impl X86InlineAsmRegClass {
},
Self::kreg | Self::kreg0 => None,
Self::mmx_reg | Self::x87_reg => None,
Self::tmm_reg => None,
}
}
@ -98,6 +101,7 @@ impl X86InlineAsmRegClass {
Self::zmm_reg => Some(('z', "zmm0")),
Self::kreg | Self::kreg0 => None,
Self::mmx_reg | Self::x87_reg => None,
Self::tmm_reg => None,
}
}
@ -135,6 +139,7 @@ impl X86InlineAsmRegClass {
},
Self::kreg0 => &[],
Self::mmx_reg | Self::x87_reg => &[],
Self::tmm_reg => &[],
}
}
}
@ -320,6 +325,14 @@ def_regs! {
st5: x87_reg = ["st(5)"],
st6: x87_reg = ["st(6)"],
st7: x87_reg = ["st(7)"],
tmm0: tmm_reg = ["tmm0"] % x86_64_only,
tmm1: tmm_reg = ["tmm1"] % x86_64_only,
tmm2: tmm_reg = ["tmm2"] % x86_64_only,
tmm3: tmm_reg = ["tmm3"] % x86_64_only,
tmm4: tmm_reg = ["tmm4"] % x86_64_only,
tmm5: tmm_reg = ["tmm5"] % x86_64_only,
tmm6: tmm_reg = ["tmm6"] % x86_64_only,
tmm7: tmm_reg = ["tmm7"] % x86_64_only,
#error = ["bp", "bpl", "ebp", "rbp"] =>
"the frame pointer cannot be used as an operand for inline asm",
#error = ["sp", "spl", "esp", "rsp"] =>