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From d45405d05a1f9079f7db86ba60dcd30d358613d4 Mon Sep 17 00:00:00 2001
From: Mahesh Bodapati <mbodapat@xilinx.com>
Date: Tue, 13 Sep 2022 16:06:10 +0530
Subject: [PATCH 49/53] [Patch, microblaze]: Fix Compiler crash with
-freg-struct-return This patch fixes a bug in MB GCC regarding the
passing struct values in registers. Currently we are only handling SImode
With this patch all other modes are handled properly
Signed-off-by :Nagaraju Mekala <nmekala@xilix.com>
Upstream-Status: Pending
Signed-off-by: Mark Hatle <mark.hatle@amd.com>
---
gcc/config/microblaze/microblaze.cc | 11 ++++++++++-
gcc/config/microblaze/microblaze.h | 19 -------------------
2 files changed, 10 insertions(+), 20 deletions(-)
diff --git a/gcc/config/microblaze/microblaze.cc b/gcc/config/microblaze/microblaze.cc
index 3ee3996a38d..4668a81d060 100644
--- a/gcc/config/microblaze/microblaze.cc
+++ b/gcc/config/microblaze/microblaze.cc
@@ -3909,7 +3909,16 @@ microblaze_function_value (const_tree valtype,
const_tree func ATTRIBUTE_UNUSED,
bool outgoing ATTRIBUTE_UNUSED)
{
- return LIBCALL_VALUE (TYPE_MODE (valtype));
+ return gen_rtx_REG (TYPE_MODE (valtype), GP_RETURN);
+}
+
+#undef TARGET_LIBCALL_VALUE
+#define TARGET_LIBCALL_VALUE microblaze_libcall_value
+
+rtx
+microblaze_libcall_value (machine_mode mode, const_rtx fun ATTRIBUTE_UNUSED)
+{
+ return gen_rtx_REG (mode, GP_RETURN);
}
/* Implement TARGET_SCHED_ADJUST_COST. */
diff --git a/gcc/config/microblaze/microblaze.h b/gcc/config/microblaze/microblaze.h
index c48b6de0d58..730ad87b13b 100644
--- a/gcc/config/microblaze/microblaze.h
+++ b/gcc/config/microblaze/microblaze.h
@@ -266,13 +266,6 @@ extern enum pipeline_type microblaze_pipe;
#define LOAD_EXTEND_OP(MODE) ZERO_EXTEND
-#ifndef __arch64__
-#define PROMOTE_MODE(MODE, UNSIGNEDP, TYPE) \
- if (GET_MODE_CLASS (MODE) == MODE_INT \
- && GET_MODE_SIZE (MODE) < 4) \
- (MODE) = SImode;
-#endif
-
/* Standard register usage. */
/* On the MicroBlaze, we have 32 integer registers */
@@ -471,18 +464,6 @@ extern struct microblaze_frame_info current_frame_info;
#define MAX_ARGS_IN_REGISTERS MB_ABI_MAX_ARG_REGS
-#ifdef __aarch64__
-#define LIBCALL_VALUE(MODE) \
- gen_rtx_REG (MODE,GP_RETURN)
-#else
-#define LIBCALL_VALUE(MODE) \
- gen_rtx_REG ( \
- ((GET_MODE_CLASS (MODE) != MODE_INT \
- || GET_MODE_SIZE (MODE) >= 4) \
- ? (MODE) \
- : SImode), GP_RETURN)
-#endif
-
/* 1 if N is a possible register number for a function value.
On the MicroBlaze, R2 R3 are the only register thus used.
Currently, R2 are only implemented here (C has no complex type) */
--
2.37.1 (Apple Git-137.1)
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