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Remove the assert on alignment check.

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Also the alignment should only be done on general register types as
per the AAPCS so fixed that issue.

Copyright (c) 2020, Arm Limited.
This commit is contained in:
Jamie Cunliffe 2020-07-21 13:46:22 +01:00
parent fc52b47e80
commit 8b58eb9dc4
1 changed files with 1 additions and 2 deletions
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3
src/librustc_codegen_llvm/va_arg.rs
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@ -128,8 +128,7 @@ fn emit_aapcs_va_arg(
// it could be on the stack so we have to update the offset and then check
// the offset again.
if layout.align.abi.bytes() > 8 {
assert!(layout.align.abi.bytes() <= 16);
if gr_type && layout.align.abi.bytes() > 8 {
reg_off_v = maybe_reg.add(reg_off_v, bx.const_i32(15));
reg_off_v = maybe_reg.and(reg_off_v, bx.const_i32(-16));
}