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gerrit.openbmc.org / stefanberger / openbmc / 26bdd44576f25d63bf32632369b0cbdd94c93d7a / . / meta-xilinx / meta-xilinx-bsp / recipes-microblaze / gcc / gcc-8 / 0021-Patch-microblaze-Add-cbranchsi4_reg.patch
blob: b04ee58023494e139f0d68ef0056b3f705fb96f7 [file] [log] [blame]
Brad Bishop26bdd442019-08-16 17:08:17 -0400[diff] [blame^]1From f846bd900d5277dd9defb5fe0625f97e3417ee61 Mon Sep 17 00:00:00 2001
2From: Mahesh Bodapati <mbodapat@xilinx.com>
3Date: Tue, 17 Jan 2017 17:04:37 +0530
4Subject: [PATCH 21/54] [Patch, microblaze]: Add cbranchsi4_reg This patch
5 optimizes the generation of pcmpne/pcmpeq instruction if the compare
6 instruction has no immediate values.For the immediate values the xor
7 instruction is generated
8
9Signed-off-by: Nagaraju Mekala <nmekala@xilix.com>
10Signed-off-by: Ajit Agarwal <ajitkum@xilinx.com>
11
12ChangeLog:
132015-01-13 Nagaraju Mekala <nmekala@xilix.com>
14 Ajit Agarwal <ajitkum@xilinx.com>
15
16 *microblaze.md (cbranchsi4_reg): New
17 *microblaze.c (microblaze_expand_conditional_branch_reg): New
18
19Conflicts:
20
21 gcc/config/microblaze/microblaze-protos.h
22---
23 gcc/config/microblaze/microblaze-protos.h | 2 +-
24 gcc/testsuite/gcc.target/microblaze/isa/fcmp1.c | 2 +-
25 gcc/testsuite/gcc.target/microblaze/isa/fcmp2.c | 2 +-
26 gcc/testsuite/gcc.target/microblaze/isa/fcmp3.c | 2 +-
27 gcc/testsuite/gcc.target/microblaze/isa/fcmp4.c | 2 +-
28 gcc/testsuite/gcc.target/microblaze/isa/nofcmp.c | 14 +++++++-------
29 gcc/testsuite/gcc.target/microblaze/isa/vanilla.c | 12 ++++++------
30 gcc/testsuite/gcc.target/microblaze/others/builtin-trap.c | 2 +-
31 8 files changed, 19 insertions(+), 19 deletions(-)
32
33diff --git a/gcc/config/microblaze/microblaze-protos.h b/gcc/config/microblaze/microblaze-protos.h
34index f8a56f7..c39e2e9 100644
35--- a/gcc/config/microblaze/microblaze-protos.h
36+++ b/gcc/config/microblaze/microblaze-protos.h
37@@ -32,7 +32,7 @@ extern int microblaze_expand_shift (rtx *);
38 extern bool microblaze_expand_move (machine_mode, rtx *);
39 extern bool microblaze_expand_block_move (rtx, rtx, rtx, rtx);
40 extern void microblaze_expand_divide (rtx *);
41-extern void microblaze_expand_conditional_branch (machine_mode, rtx *);
42+extern void microblaze_expand_conditional_branch (enum machine_mode, rtx *);
43 extern void microblaze_expand_conditional_branch_reg (machine_mode, rtx *);
44 extern void microblaze_expand_conditional_branch_sf (rtx *);
45 extern int microblaze_can_use_return_insn (void);
46diff --git a/gcc/testsuite/gcc.target/microblaze/isa/fcmp1.c b/gcc/testsuite/gcc.target/microblaze/isa/fcmp1.c
47index 4041a24..ccc6a46 100644
48--- a/gcc/testsuite/gcc.target/microblaze/isa/fcmp1.c
49+++ b/gcc/testsuite/gcc.target/microblaze/isa/fcmp1.c
50@@ -6,5 +6,5 @@ void float_func ()
51 {
52 /* { dg-final { scan-assembler "fcmp\.(le|gt)\tr(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1])\[^0-9]" } } */
53 if (f2 <= f3)
54- print ("le");
55+ f2 = f3;
56 }
57diff --git a/gcc/testsuite/gcc.target/microblaze/isa/fcmp2.c b/gcc/testsuite/gcc.target/microblaze/isa/fcmp2.c
58index 3902b83..1dd5fe6 100644
59--- a/gcc/testsuite/gcc.target/microblaze/isa/fcmp2.c
60+++ b/gcc/testsuite/gcc.target/microblaze/isa/fcmp2.c
61@@ -6,5 +6,5 @@ void float_func ()
62 {
63 /* { dg-final { scan-assembler "fcmp\.(lt|ge)\tr(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1])\[^0-9]" } } */
64 if (f2 < f3)
65- print ("lt");
66+ f2 = f3;
67 }
68diff --git a/gcc/testsuite/gcc.target/microblaze/isa/fcmp3.c b/gcc/testsuite/gcc.target/microblaze/isa/fcmp3.c
69index 8555974..d6f80fb 100644
70--- a/gcc/testsuite/gcc.target/microblaze/isa/fcmp3.c
71+++ b/gcc/testsuite/gcc.target/microblaze/isa/fcmp3.c
72@@ -6,5 +6,5 @@ void float_func ()
73 {
74 /* { dg-final { scan-assembler "fcmp\.(eq|ne)\tr(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1])\[^0-9]" } } */
75 if (f2 == f3)
76- print ("eq");
77+ f1 = f2 + f3;
78 }
79diff --git a/gcc/testsuite/gcc.target/microblaze/isa/fcmp4.c b/gcc/testsuite/gcc.target/microblaze/isa/fcmp4.c
80index 79cc5f9..d117724 100644
81--- a/gcc/testsuite/gcc.target/microblaze/isa/fcmp4.c
82+++ b/gcc/testsuite/gcc.target/microblaze/isa/fcmp4.c
83@@ -5,5 +5,5 @@ void float_func(float f1, float f2, float f3)
84 /* { dg-final { scan-assembler "fcmp\.eq\tr(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1])\[^0-9]" } } */
85 /* { dg-final { scan-assembler "fcmp\.le\tr(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1])\[^0-9]" } } */
86 if(f1==f2 && f1<=f3)
87- print ("f1 eq f2 && f1 le f3");
88+ f2 = f3;
89 }
90diff --git a/gcc/testsuite/gcc.target/microblaze/isa/nofcmp.c b/gcc/testsuite/gcc.target/microblaze/isa/nofcmp.c
91index ebfb170..7582297 100644
92--- a/gcc/testsuite/gcc.target/microblaze/isa/nofcmp.c
93+++ b/gcc/testsuite/gcc.target/microblaze/isa/nofcmp.c
94@@ -5,17 +5,17 @@ volatile float f1, f2, f3;
95 void float_func ()
96 {
97 /* { dg-final { scan-assembler-not "fcmp" } } */
98- if (f2 <= f3)
99- print ("le");
100+ if (f2 <= f3)
101+ f1 = f3;
102 else if (f2 == f3)
103- print ("eq");
104+ f1 = f3;
105 else if (f2 < f3)
106- print ("lt");
107+ f1 = f3;
108 else if (f2 > f3)
109- print ("gt");
110+ f1 = f3;
111 else if (f2 >= f3)
112- print ("ge");
113+ f1 = f3;
114 else if (f2 != f3)
115- print ("ne");
116+ f1 = f3;
117
118 }
119diff --git a/gcc/testsuite/gcc.target/microblaze/isa/vanilla.c b/gcc/testsuite/gcc.target/microblaze/isa/vanilla.c
120index 1d6ba80..532c035 100644
121--- a/gcc/testsuite/gcc.target/microblaze/isa/vanilla.c
122+++ b/gcc/testsuite/gcc.target/microblaze/isa/vanilla.c
123@@ -74,16 +74,16 @@ void float_cmp_func ()
124 {
125 /* { dg-final { scan-assembler-not "fcmp" } } */
126 if (f2 <= f3)
127- print ("le");
128+ f1 = f3;
129 else if (f2 == f3)
130- print ("eq");
131+ f1 = f3;
132 else if (f2 < f3)
133- print ("lt");
134+ f1 = f3;
135 else if (f2 > f3)
136- print ("gt");
137+ f1 = f3;
138 else if (f2 >= f3)
139- print ("ge");
140+ f1 = f3;
141 else if (f2 != f3)
142- print ("ne");
143+ f1 = f3;
144
145 }
146diff --git a/gcc/testsuite/gcc.target/microblaze/others/builtin-trap.c b/gcc/testsuite/gcc.target/microblaze/others/builtin-trap.c
147index fdcde1f..580b4db 100644
148--- a/gcc/testsuite/gcc.target/microblaze/others/builtin-trap.c
149+++ b/gcc/testsuite/gcc.target/microblaze/others/builtin-trap.c
150@@ -5,4 +5,4 @@ void trap ()
151 __builtin_trap ();
152 }
153
154-/* { dg-final { scan-assembler "brki\tr0,-1" } } */
155\ No newline at end of file
156+/* { dg-final { scan-assembler "bri\t0" } } */
157--
1582.7.4
159