From: Chua Zheng Leong <chuazl@comp.nus.edu.sg>
Date: Wed, 25 May 2016 12:09:51 +0000 (+0100)
Subject: Only generate VMOV.I64 instructions for loading constant floating point values if... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=934c26326909f953aaa15edb423dd4af6f33c448;p=binutils-gdb.git

Only generate VMOV.I64 instructions for loading constant floating point values if this instruction is supported by the currently selected fpu.

	PR target/2006764
	* config/tc-arm.c (move_or_literal_pool): Only generate a VMOV.I64
	instruction if supported by the currently selected fpu variant.
	* testsuite/gas/arm/vfpv3-ldr_immediate.s: Add test of this PR.
	* testsuite/gas/arm/vfpv3-ldr_immediate.d: Update expected disassembly.
---

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 03f331955c7..39814fcd4d0 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,13 @@
+2016-05-25  Chua Zheng Leong  <chuazl@comp.nus.edu.sg>
+
+	PR target/2006764
+	* config/tc-arm.c (move_or_literal_pool): Only generate a VMOV.I64
+	instruction if supported by the currently selected fpu variant.
+	* testsuite/gas/arm/vfpv3-ldr_immediate.s: Add test of this PR.
+	* testsuite/gas/arm/vfpv3-ldr_immediate.d: Update expected disassembly.
+
 2016-05-24  Maciej W. Rozycki  <macro@imgtec.com>
-    
+
 	* config/tc-mips.c (mips_fix_adjustable): Also return 0 for
 	jump relocations against MIPS16 or microMIPS symbols on RELA
 	targets.
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index 50a658b8c15..fe46cc43898 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -8000,7 +8000,7 @@ move_or_literal_pool (int i, enum lit_type t, bfd_boolean mode_3)
 		  return TRUE;
 		}
 	    }
-	  else if (t == CONST_VEC)
+	  else if (t == CONST_VEC && ARM_CPU_HAS_FEATURE (cpu_variant, fpu_neon_ext_v1))
 	    {
 	      int op = 0;
 	      unsigned immbits = 0;
diff --git a/gas/testsuite/gas/arm/vfpv3-ldr_immediate.d b/gas/testsuite/gas/arm/vfpv3-ldr_immediate.d
index e443530414b..b5ad34d2752 100644
--- a/gas/testsuite/gas/arm/vfpv3-ldr_immediate.d
+++ b/gas/testsuite/gas/arm/vfpv3-ldr_immediate.d
@@ -32,4 +32,5 @@ Disassembly of section \.text:
 0[0-9a-fx]+ .*(00000000|40400000) 	.*
 0[0-9a-fx]+ .*(40400000|00000000) 	.*
 0[0-9a-fx]+ .*42000000 	.*
+0[0-9a-fx]+ .*ed1fbb01 	vldr	d11, \[pc, #-4\].*
 #pass
diff --git a/gas/testsuite/gas/arm/vfpv3-ldr_immediate.s b/gas/testsuite/gas/arm/vfpv3-ldr_immediate.s
index 172b57d62d5..542206f38ad 100644
--- a/gas/testsuite/gas/arm/vfpv3-ldr_immediate.s
+++ b/gas/testsuite/gas/arm/vfpv3-ldr_immediate.s
@@ -42,5 +42,7 @@
   vldr s0,=0x42000000
   .pool
 
-  nop
+  # PR 20067
+  FLDD D11, =0
+  .pool