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Re: [PATCH] Add PowerPC mfcr field form
- From: Alan Modra <amodra at bigpond dot net dot au>
- To: binutils at sources dot redhat dot com
- Date: Fri, 04 Jul 2003 23:04:20 +0930
- Subject: Re: [PATCH] Add PowerPC mfcr field form
- References: <200307031802.OAA33036@makai.watson.ibm.com><20030704130635.GP957@bubble.sa.bigpond.net.au>
On Fri, Jul 04, 2003 at 10:36:35PM +0930, Alan Modra wrote:
> * ppc-opc.c: Remove PARAMS from prototypes.
> (FXM4): Define.
> (insert_fxm): New function, used by both FXM and FXM4.
> (extract_fxm): Likewise.
> (XFXFXM_MASK): Remove 1 << 20 term.
> (powerpc_opcodes): Add Power4 version of "mfcr". Simplify "mtcr" mask.
And some testsuite additions.
* gas/ppc/test2elf64.s: Rename to..
* gas/ppc/power4.s: ..this. Add mtcr and mfcr testcases.
* gas/ppc/test2elf64.d: Rename to..
* gas/ppc/power4.d: ..this. Update.
* gas/ppc/ppc.exp: Update.
--- gas/ppc/test2elf64.s 2003-07-04 23:01:22.000000000 +0930
+++ gas/ppc/power4.s 2003-07-04 21:40:32.000000000 +0930
@@ -1,9 +1,7 @@
-
.section ".data"
dsym0: .llong 0xdeadbeef
dsym1:
-
.section ".toc"
.L_tsym0:
.tc ignored0[TC],dsym0
@@ -18,7 +16,6 @@ dsym1:
.L_tsym5:
.tc ignored5[TC],esym1
-
.section ".text"
lq 4,dsym0@l(3)
lq 4,dsym1@l(3)
@@ -40,13 +37,37 @@ dsym1:
lq 6,dsym1@sectoff(3)
lq 6,dsym1@sectoff@l(3)
lq 6,usym1-dsym0@l(4)
- stq 6, 0(7)
- stq 6, 16(7)
- stq 6, -16(7)
- stq 6, -32768(7)
- stq 6, 32752(7)
+ stq 6,0(7)
+ stq 6,16(7)
+ stq 6,-16(7)
+ stq 6,-32768(7)
+ stq 6,32752(7)
+
attn
+ mtcr 3
+ mtcrf 0xff,3
+ mtcrf 0x81,3
+ mtcrf 0x01,3
+ mtcrf 0x02,3
+ mtcrf 0x04,3
+ mtcrf 0x08,3
+ mtcrf 0x10,3
+ mtcrf 0x20,3
+ mtcrf 0x40,3
+ mtcrf 0x80,3
+ mfcr 3
+# mfcr 3,0xff #Error, invalid mask
+# mfcr 3,0x81 #Error, invalid mask
+ mfcr 3,0x01
+ mfcr 3,0x02
+ mfcr 3,0x04
+ mfcr 3,0x08
+ mfcr 3,0x10
+ mfcr 3,0x20
+ mfcr 3,0x40
+ mfcr 3,0x80
+
.section ".data"
usym0: .llong 0xcafebabe
usym1:
--- gas/ppc/test2elf64.d 2003-07-04 23:01:22.000000000 +0930
+++ gas/ppc/power4.d 2003-07-04 21:47:54.000000000 +0930
@@ -1,6 +1,6 @@
-#objdump: -Drx -Mpower4
+#objdump: -drx -Mpower4
#as: -mpower4
-#name: PowerPC Test 2, 64 bit elf, power4 instructions
+#name: Power4 instructions
.*: +file format elf64-powerpc
.*
@@ -10,7 +10,7 @@ start address 0x0+
Sections:
Idx Name +Size +VMA +LMA +File off +Algn
- +0 \.text +0+68 +0+ +0+ +.*
+ +0 \.text +0+b8 +0+ +0+ +.*
+CONTENTS, ALLOC, LOAD, RELOC, READONLY, CODE
+1 \.data +0+10 +0+ +0+ +.*
+CONTENTS, ALLOC, LOAD, DATA
@@ -79,23 +79,23 @@ Disassembly of section \.text:
+5c: f8 c7 80 02 stq r6,-32768\(r7\)
+60: f8 c7 7f f2 stq r6,32752\(r7\)
+64: 00 00 02 00 attn
-Disassembly of section \.data:
-
-0+ <dsym0>:
- +0: 00 00 00 00 \.long 0x0
- +4: de ad be ef stfdu f21,-16657\(r13\)
-
-0+8 <dsym1>:
- +8: 00 00 00 00 \.long 0x0
- +c: ca fe ba be lfd f23,-17730\(r30\)
-
-Disassembly of section \.toc:
-
-0+ <\.toc>:
- \.\.\.
- 0: R_PPC64_ADDR64 dsym0
- 8: R_PPC64_ADDR64 dsym1
- 10: R_PPC64_ADDR64 usym0
- 18: R_PPC64_ADDR64 usym1
- 20: R_PPC64_ADDR64 esym0
- 28: R_PPC64_ADDR64 esym1
+ +68: 7c 6f f1 20 mtcr r3
+ +6c: 7c 6f f1 20 mtcr r3
+ +70: 7c 68 11 20 mtcrf 129,r3
+ +74: 7c 70 11 20 mtcrf 1,r3
+ +78: 7c 70 21 20 mtcrf 2,r3
+ +7c: 7c 70 41 20 mtcrf 4,r3
+ +80: 7c 70 81 20 mtcrf 8,r3
+ +84: 7c 71 01 20 mtcrf 16,r3
+ +88: 7c 72 01 20 mtcrf 32,r3
+ +8c: 7c 74 01 20 mtcrf 64,r3
+ +90: 7c 78 01 20 mtcrf 128,r3
+ +94: 7c 60 00 26 mfcr r3
+ +98: 7c 70 10 26 mfcr r3,1
+ +9c: 7c 70 20 26 mfcr r3,2
+ +a0: 7c 70 40 26 mfcr r3,4
+ +a4: 7c 70 80 26 mfcr r3,8
+ +a8: 7c 71 00 26 mfcr r3,16
+ +ac: 7c 72 00 26 mfcr r3,32
+ +b0: 7c 74 00 26 mfcr r3,64
+ +b4: 7c 78 00 26 mfcr r3,128
Index: gas/ppc/ppc.exp
===================================================================
RCS file: /cvs/src/src/gas/testsuite/gas/ppc/ppc.exp,v
retrieving revision 1.9
diff -u -p -r1.9 ppc.exp
--- gas/ppc/ppc.exp 10 Jun 2003 07:44:11 -0000 1.9
+++ gas/ppc/ppc.exp 4 Jul 2003 13:33:24 -0000
@@ -10,7 +10,7 @@ if { [istarget powerpc64*-*-*] || [istar
run_dump_test "astest64"
run_dump_test "astest2_64"
run_dump_test "test1elf64"
- run_dump_test "test2elf64"
+ run_dump_test "power4"
} elseif { [istarget powerpc*-*aix*] } then {
run_dump_test "test1xcoff32"
} elseif { [istarget powerpc*-*-*bsd*] \
--
Alan Modra
IBM OzLabs - Linux Technology Centre