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From 0ab484f5de7d28c0a7166439d403e0983834b120 Mon Sep 17 00:00:00 2001
From: Richard Sandiford <richard.sandiford@arm.com>
Date: Tue, 12 Sep 2023 16:05:10 +0100
Subject: [PATCH 096/157] [Backport][SME] aarch64: Minor initial adjustment
tweak
Reference: https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=ee5466ff4faca2076cc61f1f120d0b5062c8111c
This patch just changes a calculation of initial_adjust
to one that makes it slightly more obvious that the total
adjustment is frame.frame_size.
gcc/
* config/aarch64/aarch64.cc (aarch64_layout_frame): Tweak
calculation of initial_adjust for frames in which all saves
are SVE saves.
---
gcc/config/aarch64/aarch64.cc | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/gcc/config/aarch64/aarch64.cc b/gcc/config/aarch64/aarch64.cc
index 3329aa364..72604dd9d 100644
--- a/gcc/config/aarch64/aarch64.cc
+++ b/gcc/config/aarch64/aarch64.cc
@@ -9014,11 +9014,10 @@ aarch64_layout_frame (void)
{
/* Frame in which all saves are SVE saves:
- sub sp, sp, hard_fp_offset + below_hard_fp_saved_regs_size
+ sub sp, sp, frame_size - bytes_below_saved_regs
save SVE registers relative to SP
sub sp, sp, bytes_below_saved_regs */
- frame.initial_adjust = (frame.bytes_above_hard_fp
- + frame.below_hard_fp_saved_regs_size);
+ frame.initial_adjust = frame.frame_size - frame.bytes_below_saved_regs;
frame.final_adjust = frame.bytes_below_saved_regs;
}
else if (frame.bytes_above_hard_fp.is_constant (&const_above_fp)
--
2.33.0
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