diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-7.2/0050-RISC-V-Handle-non-legitimate-address-in-riscv_legiti.patch')
-rw-r--r-- | meta/recipes-devtools/gcc/gcc-7.2/0050-RISC-V-Handle-non-legitimate-address-in-riscv_legiti.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-7.2/0050-RISC-V-Handle-non-legitimate-address-in-riscv_legiti.patch b/meta/recipes-devtools/gcc/gcc-7.2/0050-RISC-V-Handle-non-legitimate-address-in-riscv_legiti.patch new file mode 100644 index 0000000000..5a14d04b6f --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-7.2/0050-RISC-V-Handle-non-legitimate-address-in-riscv_legiti.patch | |||
@@ -0,0 +1,51 @@ | |||
1 | From 16210e6270e200cd4892a90ecef608906be3a130 Mon Sep 17 00:00:00 2001 | ||
2 | From: Kito Cheng <kito.cheng@gmail.com> | ||
3 | Date: Thu, 4 May 2017 02:11:13 +0800 | ||
4 | Subject: [PATCH] RISC-V: Handle non-legitimate address in | ||
5 | riscv_legitimize_move | ||
6 | |||
7 | GCC may generate non-legitimate address due to we allow some | ||
8 | load/store with non-legitimate address in pic.md. | ||
9 | |||
10 | 2017-05-12 Kito Cheng <kito.cheng@gmail.com> | ||
11 | |||
12 | * config/riscv/riscv.c (riscv_legitimize_move): Handle | ||
13 | non-legitimate address. | ||
14 | --- | ||
15 | Upstream-Status: Backport | ||
16 | Signed-off-by: Khem Raj <raj.khem@gmail.com> | ||
17 | |||
18 | gcc/ChangeLog | 5 +++++ | ||
19 | gcc/config/riscv/riscv.c | 16 ++++++++++++++++ | ||
20 | 2 files changed, 21 insertions(+) | ||
21 | |||
22 | diff --git a/gcc/config/riscv/riscv.c b/gcc/config/riscv/riscv.c | ||
23 | index f7fec4bfcf8..d519be1659a 100644 | ||
24 | --- a/gcc/config/riscv/riscv.c | ||
25 | +++ b/gcc/config/riscv/riscv.c | ||
26 | @@ -1385,6 +1385,22 @@ riscv_legitimize_move (enum machine_mode mode, rtx dest, rtx src) | ||
27 | return true; | ||
28 | } | ||
29 | |||
30 | + /* RISC-V GCC may generate non-legitimate address due to we provide some | ||
31 | + pattern for optimize access PIC local symbol and it's make GCC generate | ||
32 | + unrecognizable instruction during optmizing. */ | ||
33 | + | ||
34 | + if (MEM_P (dest) && !riscv_legitimate_address_p (mode, XEXP (dest, 0), | ||
35 | + reload_completed)) | ||
36 | + { | ||
37 | + XEXP (dest, 0) = riscv_force_address (XEXP (dest, 0), mode); | ||
38 | + } | ||
39 | + | ||
40 | + if (MEM_P (src) && !riscv_legitimate_address_p (mode, XEXP (src, 0), | ||
41 | + reload_completed)) | ||
42 | + { | ||
43 | + XEXP (src, 0) = riscv_force_address (XEXP (src, 0), mode); | ||
44 | + } | ||
45 | + | ||
46 | return false; | ||
47 | } | ||
48 | |||
49 | -- | ||
50 | 2.14.2 | ||
51 | |||