[codegen] add intcc conditions for reading carry flag

Add conditions to IntCC for checking the carry flag (Carry, NotCarry). Fixes: https://github.com/CraneStation/cranelift/issues/980
2019-09-07 00:10:54 +05:30
parent 1431ab5201
commit 6e131e5347
7 changed files with 44 additions and 1 deletions
--- a/cranelift/codegen/meta/src/shared/instructions.rs
+++ b/cranelift/codegen/meta/src/shared/instructions.rs
@@ -1586,6 +1586,7 @@ pub(crate) fn define(
    let x = &operand("x", Int);
    let y = &operand("y", Int);

+    // TODO(ryzokuken): Add documentation for unsigned overflow.
    ig.push(
        Inst::new(
            "icmp",