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Re: [committed, PATCH] X86: Allow additional ISAs for IAMCU in assembler


On Wed, Sep 7, 2016 at 9:26 AM, H.J. Lu <hongjiu.lu@intel.com> wrote:
> Originally only Pentium integer instructions are allowed for IAMCU.
> This patch removes such a restriction.  For example, 387 and SSE2
> instructions can be enabled by passing "-march=iamcu+sse2+387" to
> assembler.
>
> H.J.
> ---
> gas/
>
>         * config/tc-i386.c (valid_iamcu_cpu_flags): Removed.
>         (set_cpu_arch): Updated.
>         (md_parse_option): Likewise.
>         * testsuite/gas/i386/i386.exp: Run iamcu-4 and iamcu-5.  Remove
>         iamcu-inval-2 and iamcu-inval-3.
>         * testsuite/gas/i386/iamcu-4.d: New file.
>         * testsuite/gas/i386/iamcu-4.s: Likewise.
>         * testsuite/gas/i386/iamcu-5.d: Likewise.
>         * testsuite/gas/i386/iamcu-5.s: Likewise.
>         * testsuite/gas/i386/iamcu-inval-2.l: Removed.
>         * testsuite/gas/i386/iamcu-inval-2.s: Likewise.
>         * testsuite/gas/i386/iamcu-inval-3.l: Likewise.
>         * testsuite/gas/i386/iamcu-inval-3.s: Likewise.
>
> opcodes/
>
>         * i386-gen.c (cpu_flag_init): Remove CPU_IAMCU_COMPAT_FLAGS.
>         * i386-init.h: Regenerated.

PROCESSOR_IAMCU should be allowed for Intel MCU.  Checked it
into master.

-- 
H.J.
From 8d471ec1e73eea3ff8ff6954283f8f16e7a7bc84 Mon Sep 17 00:00:00 2001
From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Thu, 8 Sep 2016 07:54:16 -0700
Subject: [PATCH] Allow PROCESSOR_IAMCU for Intel MCU

	* config/tc-i386.c (i386_target_format): Allow PROCESSOR_IAMCU
	for Intel MCU.
---
 gas/ChangeLog        | 5 +++++
 gas/config/tc-i386.c | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 6fbb693..384b40f 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2016-09-08  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* config/tc-i386.c (i386_target_format): Allow PROCESSOR_IAMCU
+	for Intel MCU.
+
 2016-09-07  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* config/tc-i386.c (valid_iamcu_cpu_flags): Removed.
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index 9da7a4e..660d23e 100644
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -10460,7 +10460,7 @@ i386_target_format (void)
 	      cpu_arch_tune_flags = cpu_arch_isa_flags;
 	    }
 	}
-      else
+      else if (cpu_arch_isa != PROCESSOR_IAMCU)
 	as_fatal (_("Intel MCU doesn't support `%s' architecture"),
 		  cpu_arch_name);
     }
-- 
2.7.4


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