diff options
Diffstat (limited to '0115-aarch64-Simplify-top-of-frame-allocation.patch')
| -rw-r--r-- | 0115-aarch64-Simplify-top-of-frame-allocation.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/0115-aarch64-Simplify-top-of-frame-allocation.patch b/0115-aarch64-Simplify-top-of-frame-allocation.patch new file mode 100644 index 0000000..77ba598 --- /dev/null +++ b/0115-aarch64-Simplify-top-of-frame-allocation.patch @@ -0,0 +1,54 @@ +From ff7193c5313d736e20aa66c33abeaf102cc6c152 Mon Sep 17 00:00:00 2001 +From: Richard Sandiford <richard.sandiford@arm.com> +Date: Fri, 16 Jun 2023 17:44:39 +0100 +Subject: [PATCH] aarch64: Simplify top of frame allocation + +After previous patches, it no longer really makes sense to allocate +the top of the frame in terms of varargs_and_saved_regs_size and +saved_regs_and_above. + +gcc/ + * config/aarch64/aarch64.c (aarch64_layout_frame): Simplify + the allocation of the top of the frame. +--- + gcc/config/aarch64/aarch64.c | 23 ++++++++--------------- + 1 file changed, 8 insertions(+), 15 deletions(-) + +diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c +index 1ed335f5487..70542c6e13f 100644 +--- a/gcc/config/aarch64/aarch64.c ++++ b/gcc/config/aarch64/aarch64.c +@@ -7010,23 +7010,16 @@ aarch64_layout_frame (void) + + frame.saved_regs_size = offset - frame.bytes_below_saved_regs; + +- poly_int64 varargs_and_saved_regs_size +- = frame.saved_regs_size + frame.saved_varargs_size; +- +- poly_int64 saved_regs_and_above +- = aligned_upper_bound (varargs_and_saved_regs_size +- + get_frame_size (), +- STACK_BOUNDARY / BITS_PER_UNIT); +- +- frame.bytes_above_hard_fp +- = saved_regs_and_above - frame.below_hard_fp_saved_regs_size; ++ offset += get_frame_size (); ++ offset = aligned_upper_bound (offset, STACK_BOUNDARY / BITS_PER_UNIT); ++ poly_int64 top_of_locals = offset; + +- /* Both these values are already aligned. */ +- gcc_assert (multiple_p (frame.bytes_below_saved_regs, +- STACK_BOUNDARY / BITS_PER_UNIT)); +- frame.frame_size = saved_regs_and_above + frame.bytes_below_saved_regs; ++ offset += frame.saved_varargs_size; ++ gcc_assert (multiple_p (offset, STACK_BOUNDARY / BITS_PER_UNIT)); ++ frame.frame_size = offset; + +- frame.bytes_above_locals = frame.saved_varargs_size; ++ frame.bytes_above_hard_fp = frame.frame_size - frame.bytes_below_hard_fp; ++ frame.bytes_above_locals = frame.frame_size - top_of_locals; + + frame.initial_adjust = 0; + frame.final_adjust = 0; +-- +2.39.3 |