diff options
Diffstat (limited to 'user/rust/0008-Fix-powerpc64-ELFv2-big-endian-struct-passing-ABI.patch')
-rw-r--r-- | user/rust/0008-Fix-powerpc64-ELFv2-big-endian-struct-passing-ABI.patch | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/user/rust/0008-Fix-powerpc64-ELFv2-big-endian-struct-passing-ABI.patch b/user/rust/0008-Fix-powerpc64-ELFv2-big-endian-struct-passing-ABI.patch deleted file mode 100644 index 1c4c813fc..000000000 --- a/user/rust/0008-Fix-powerpc64-ELFv2-big-endian-struct-passing-ABI.patch +++ /dev/null @@ -1,79 +0,0 @@ -From 8a2c9af2ea8b21d38f5ff779fde29f612bb63575 Mon Sep 17 00:00:00 2001 -From: Samuel Holland <samuel@sholland.org> -Date: Sun, 16 Sep 2018 16:34:15 +0000 -Subject: [PATCH 08/23] Fix powerpc64 ELFv2 big-endian struct-passing ABI - -The requirements here are not "ELFv1" requirements, but big-endian -requirements, as the extension or non-extension of the argument is -necessary to put the argument in the correct half of the register. -Parameter passing in the ELFv2 ABI needs these same transformations. -Since this code makes no difference on little-endian machines, simplify -it to use the same code path everywhere. ---- - src/librustc_target/abi/call/powerpc64.rs | 29 ++++++++++------------- - src/librustc_target/abi/mod.rs | 2 +- - 2 files changed, 13 insertions(+), 18 deletions(-) - -diff --git a/src/librustc_target/abi/call/powerpc64.rs b/src/librustc_target/abi/call/powerpc64.rs -index 0c5ec77a39..934d2b1138 100644 ---- a/src/librustc_target/abi/call/powerpc64.rs -+++ b/src/librustc_target/abi/call/powerpc64.rs -@@ -75,7 +75,9 @@ fn classify_ret_ty<'a, Ty, C>(cx: C, ret: &mut ArgType<'a, Ty>, abi: ABI) - let size = ret.layout.size; - let bits = size.bits(); - if bits <= 128 { -- let unit = if bits <= 8 { -+ let unit = if cx.data_layout().endian == Endian::Big { -+ Reg { kind: RegKind::Integer, size } -+ } else if bits <= 8 { - Reg::i8() - } else if bits <= 16 { - Reg::i16() -@@ -110,22 +112,15 @@ fn classify_arg_ty<'a, Ty, C>(cx: C, arg: &mut ArgType<'a, Ty>, abi: ABI) - } - - let size = arg.layout.size; -- let (unit, total) = match abi { -- ELFv1 => { -- // In ELFv1, aggregates smaller than a doubleword should appear in -- // the least-significant bits of the parameter doubleword. The rest -- // should be padded at their tail to fill out multiple doublewords. -- if size.bits() <= 64 { -- (Reg { kind: RegKind::Integer, size }, size) -- } else { -- let align = Align::from_bits(64, 64).unwrap(); -- (Reg::i64(), size.abi_align(align)) -- } -- }, -- ELFv2 => { -- // In ELFv2, we can just cast directly. -- (Reg::i64(), size) -- }, -+ let (unit, total) = if size.bits() <= 64 { -+ // Aggregates smaller than a doubleword should appear in -+ // the least-significant bits of the parameter doubleword. -+ (Reg { kind: RegKind::Integer, size }, size) -+ } else { -+ // Aggregates larger than a doubleword should be padded -+ // at the tail to fill out a whole number of doublewords. -+ let align = Align::from_bits(64, 64).unwrap(); -+ (Reg::i64(), size.abi_align(align)) - }; - - arg.cast_to(Uniform { -diff --git a/src/librustc_target/abi/mod.rs b/src/librustc_target/abi/mod.rs -index 1a5d2801af..0ec2cc0d7b 100644 ---- a/src/librustc_target/abi/mod.rs -+++ b/src/librustc_target/abi/mod.rs -@@ -214,7 +214,7 @@ impl<'a> HasDataLayout for &'a TargetDataLayout { - } - - /// Endianness of the target, which must match cfg(target-endian). --#[derive(Copy, Clone)] -+#[derive(Copy, Clone, PartialEq)] - pub enum Endian { - Little, - Big --- -2.19.2 - |