This commit is contained in:
Richard W.M. Jones 2016-11-23 10:47:58 +00:00
parent 1b4063eb57
commit 0e2c6567fd
2 changed files with 18 additions and 13 deletions

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@ -1,13 +1,13 @@
From a045766e1fc85d3f0c378415c58577d5156e10f4 Mon Sep 17 00:00:00 2001
From b81417ea168c3cf9454eeb41f1f723b66b3210aa Mon Sep 17 00:00:00 2001
From: Nicolas Ojeda Bar <n.oje.bar@gmail.com>
Date: Tue, 22 Nov 2016 22:30:35 +0100
Subject: [PATCH 9/9] Fix immediates' range when adjusting/indexing sp
---
asmcomp/riscv/arch.ml | 3 +++
asmcomp/riscv/emit.mlp | 51 ++++++++++++++++++++++++++++++++++------------
asmcomp/riscv/emit.mlp | 53 ++++++++++++++++++++++++++++++++++------------
asmcomp/riscv/selection.ml | 2 +-
3 files changed, 42 insertions(+), 14 deletions(-)
3 files changed, 44 insertions(+), 14 deletions(-)
diff --git a/asmcomp/riscv/arch.ml b/asmcomp/riscv/arch.ml
index 61a38b1..22c807c 100644
@ -24,10 +24,10 @@ index 61a38b1..22c807c 100644
let big_endian = false
diff --git a/asmcomp/riscv/emit.mlp b/asmcomp/riscv/emit.mlp
index 6d0e3ae..932a28c 100644
index 6d0e3ae..97c49ce 100644
--- a/asmcomp/riscv/emit.mlp
+++ b/asmcomp/riscv/emit.mlp
@@ -93,6 +93,32 @@ let emit_stack r =
@@ -93,6 +93,34 @@ let emit_stack r =
let ofs = slot_offset s (register_class r) in `{emit_int ofs}(sp)`
| _ -> fatal_error "Emit.emit_stack"
@ -46,6 +46,7 @@ index 6d0e3ae..932a28c 100644
+ ` {emit_string stg} {emit_reg src}, {emit_int ofs}(sp)\n`
+ else begin
+ ` li {emit_reg reg_tmp1}, {emit_int ofs}\n`;
+ ` add {emit_reg reg_tmp1}, sp, {emit_reg reg_tmp1}\n`;
+ ` {emit_string stg} {emit_reg src}, 0({emit_reg reg_tmp1})\n`
+ end
+
@ -54,13 +55,14 @@ index 6d0e3ae..932a28c 100644
+ ` {emit_string lg} {emit_reg dst}, {emit_int ofs}(sp)\n`
+ else begin
+ ` li {emit_reg reg_tmp1}, {emit_int ofs}\n`;
+ ` add {emit_reg reg_tmp1}, sp, {emit_reg reg_tmp1}\n`;
+ ` {emit_string lg} {emit_reg dst}, 0({emit_reg reg_tmp1})\n`
+ end
+
(* Record live pointers at call points *)
let record_frame_label ?label live raise_ dbg =
@@ -218,6 +244,7 @@ let name_for_specific = function
@@ -218,6 +246,7 @@ let name_for_specific = function
(* Name of current function *)
let function_name = ref ""
@ -68,7 +70,7 @@ index 6d0e3ae..932a28c 100644
(* Entry point for tail recursive calls *)
let tailrec_entry_point = ref 0
@@ -234,12 +261,14 @@ let emit_instr i =
@@ -234,12 +263,14 @@ let emit_instr i =
` mv {emit_reg dst}, {emit_reg src}\n`
| {loc = Reg _; typ = Float}, {loc = Reg _; typ = Float} ->
` fmv.d {emit_reg dst}, {emit_reg src}\n`
@ -87,7 +89,7 @@ index 6d0e3ae..932a28c 100644
| {loc = Stack _; typ = Float}, {loc = Reg _} ->
` fld {emit_reg dst}, {emit_stack src}\n`
| _ ->
@@ -263,8 +292,7 @@ let emit_instr i =
@@ -263,8 +294,7 @@ let emit_instr i =
let n = frame_size() in
if !contains_calls then
` {emit_string lg} ra, {emit_int(n - size_addr)}(sp)\n`;
@ -97,7 +99,7 @@ index 6d0e3ae..932a28c 100644
` jr {emit_reg i.arg.(0)}\n`
| Lop(Itailcall_imm {func; label_after = _}) ->
if func = !function_name then begin
@@ -273,8 +301,7 @@ let emit_instr i =
@@ -273,8 +303,7 @@ let emit_instr i =
let n = frame_size() in
if !contains_calls then
` {emit_string lg} ra, {emit_int(n - size_addr)}(sp)\n`;
@ -107,7 +109,7 @@ index 6d0e3ae..932a28c 100644
` tail {emit_symbol func}\n`
end
| Lop(Iextcall{func; alloc = true; label_after = label}) ->
@@ -285,7 +312,7 @@ let emit_instr i =
@@ -285,7 +314,7 @@ let emit_instr i =
` call {emit_symbol func}\n`
| Lop(Istackoffset n) ->
assert (n mod 16 = 0);
@ -116,7 +118,7 @@ index 6d0e3ae..932a28c 100644
stack_offset := !stack_offset + n
| Lop(Iload(Single, Iindexed ofs)) ->
` flw {emit_reg i.res.(0)}, {emit_int ofs}({emit_reg i.arg.(0)})\n`;
@@ -398,8 +425,7 @@ let emit_instr i =
@@ -398,8 +427,7 @@ let emit_instr i =
` {emit_string lg} ra, {emit_int(n - size_addr)}(sp)\n`
| Lreturn ->
let n = frame_size() in
@ -126,7 +128,7 @@ index 6d0e3ae..932a28c 100644
` ret\n`
| Llabel lbl ->
`{emit_label lbl}:\n`
@@ -513,8 +539,7 @@ let fundecl fundecl =
@@ -513,8 +541,7 @@ let fundecl fundecl =
` .align 2\n`;
`{emit_symbol fundecl.fun_name}:\n`;
let n = frame_size() in

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@ -27,7 +27,7 @@
Name: ocaml
Version: 4.04.0
Release: 5%{?dist}
Release: 6%{?dist}
Summary: OCaml compiler and programming environment
@ -453,6 +453,9 @@ fi
%changelog
* Wed Nov 23 2016 Richard W.M. Jones <rjones@redhat.com> - 4.04.0-6
- riscv: Further fix for https://github.com/nojb/riscv-ocaml/issues/2
* Tue Nov 22 2016 Richard W.M. Jones <rjones@redhat.com> - 4.04.0-5
- Update RISC-V support to fix
https://github.com/nojb/riscv-ocaml/issues/2