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Re: Gas Problems
- From: Alan Modra <amodra at bigpond dot net dot au>
- To: Randall Hyde <rhyde at cs dot ucr dot edu>, binutils at sources dot redhat dot com
- Date: Thu, 11 Apr 2002 21:27:13 +0930
- Subject: Re: Gas Problems
- References: <003801c1b99c$ff353b80$05000006@default-users> <20020411102107.GE1042@bubble.sa.bigpond.net.au>
On Thu, Apr 11, 2002 at 07:51:07PM +0930, Alan Modra wrote:
> * i386.h: Add intel mode cmpsd and movsd.
Hum, now I need another tweak to get "rep movsd" working.
movq.s: Assembler messages:
movq.s:3: Error: expecting string instruction after `rep'
* i386.h: Add intel mode cmpsd and movsd.
Put them before SSE2 insns, so that rep prefix works.
Index: include/opcode/i386.h
===================================================================
RCS file: /cvs/src/src/include/opcode/i386.h,v
retrieving revision 1.37
diff -u -p -r1.37 i386.h
--- include/opcode/i386.h 11 Apr 2002 10:21:58 -0000 1.37
+++ include/opcode/i386.h 11 Apr 2002 11:52:12 -0000
@@ -1231,10 +1231,10 @@ static const template i386_optab[] = {
{"cmpunordpd",2, 0x660fc2, 3, CpuSSE2, FP|Modrm|ImmExt,{ RegXMM|LLongMem, RegXMM, 0 } },
{"cmpunordsd",2, 0xf20fc2, 3, CpuSSE2, FP|Modrm|ImmExt,{ RegXMM|LongMem, RegXMM, 0 } },
{"cmppd", 3, 0x660fc2, X, CpuSSE2, FP|Modrm, { Imm8, RegXMM|LLongMem, RegXMM } },
-{"cmpsd", 3, 0xf20fc2, X, CpuSSE2, FP|Modrm, { Imm8, RegXMM|LongMem, RegXMM } },
/* Intel mode string compare. */
{"cmpsd", 0, 0xa7, X, 0, NoSuf|Size32|IsString, { 0, 0, 0} },
{"cmpsd", 2, 0xa7, X, 0, NoSuf|Size32|IsString, { AnyMem, AnyMem|EsSeg, 0} },
+{"cmpsd", 3, 0xf20fc2, X, CpuSSE2, FP|Modrm, { Imm8, RegXMM|LongMem, RegXMM } },
{"comisd", 2, 0x660f2f, X, CpuSSE2, FP|Modrm, { RegXMM|LongMem, RegXMM, 0 } },
{"cvtpi2pd", 2, 0x660f2a, X, CpuSSE2, FP|Modrm, { RegMMX|LLongMem, RegXMM, 0 } },
{"cvtsi2sd", 2, 0xf20f2a, X, CpuSSE2, lq_Suf|IgnoreSize|Modrm,{ Reg32|Reg64|WordMem|LLongMem, RegXMM, 0 } },
@@ -1252,11 +1252,11 @@ static const template i386_optab[] = {
{"movlpd", 2, 0x660f13, X, CpuSSE2, FP|Modrm, { RegXMM, LLongMem, 0 } },
{"movmskpd", 2, 0x660f50, X, CpuSSE2, lq_Suf|IgnoreSize|Modrm, { RegXMM|InvMem, Reg32|Reg64, 0 } },
{"movntpd", 2, 0x660f2b, X, CpuSSE2, FP|Modrm, { RegXMM, LLongMem, 0 } },
-{"movsd", 2, 0xf20f10, X, CpuSSE2, FP|Modrm, { RegXMM|LongMem, RegXMM, 0 } },
-{"movsd", 2, 0xf20f11, X, CpuSSE2, FP|Modrm, { RegXMM, RegXMM|LongMem, 0 } },
/* Intel mode string move. */
{"movsd", 0, 0xa5, X, 0, NoSuf|Size32|IsString, { 0, 0, 0} },
{"movsd", 2, 0xa5, X, 0, NoSuf|Size32|IsString, { AnyMem, AnyMem|EsSeg, 0} },
+{"movsd", 2, 0xf20f10, X, CpuSSE2, FP|Modrm, { RegXMM|LongMem, RegXMM, 0 } },
+{"movsd", 2, 0xf20f11, X, CpuSSE2, FP|Modrm, { RegXMM, RegXMM|LongMem, 0 } },
{"movupd", 2, 0x660f10, X, CpuSSE2, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } },
{"movupd", 2, 0x660f11, X, CpuSSE2, FP|Modrm, { RegXMM, RegXMM|LLongMem, 0 } },
{"mulpd", 2, 0x660f59, X, CpuSSE2, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } },
--
Alan Modra
IBM OzLabs - Linux Technology Centre