gcc-4.7-source 4.7.2-5 / usr / src / gcc-4.7 / debian / patches / pr54974.diff

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# DP: Fix PR target/54974: Thumb literal pools don't handle PC rounding.

diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md
index 7e92b69..b3822d9 100644
--- a/src/gcc/config/arm/arm.md
+++ b/src/gcc/config/arm/arm.md
@@ -4952,7 +4952,7 @@ (define_insn "thumb1_extendhisi2"
 					(const_int 2) (const_int 4))
 			  (const_int 4)])
    (set_attr "type" "alu_shift,load_byte")
-   (set_attr "pool_range" "*,1020")]
+   (set_attr "pool_range" "*,1018")]
 )
 
 ;; This pattern will only be used when ldsh is not available
@@ -5359,7 +5359,7 @@ (define_insn "*arm_movdi"
    (set_attr "type" "*,*,*,load2,store2")
    (set_attr "arm_pool_range" "*,*,*,1020,*")
    (set_attr "arm_neg_pool_range" "*,*,*,1004,*")
-   (set_attr "thumb2_pool_range" "*,*,*,4096,*")
+   (set_attr "thumb2_pool_range" "*,*,*,4094,*")
    (set_attr "thumb2_neg_pool_range" "*,*,*,0,*")]
 )
 
@@ -5498,7 +5498,7 @@ (define_insn "*thumb1_movdi_insn"
   [(set_attr "length" "4,4,6,2,2,6,4,4")
    (set_attr "type" "*,*,*,load2,store2,load2,store2,*")
    (set_attr "insn" "*,mov,*,*,*,*,*,mov")
-   (set_attr "pool_range" "*,*,*,*,*,1020,*,*")]
+   (set_attr "pool_range" "*,*,*,*,*,1018,*,*")]
 )
 
 (define_expand "movsi"
@@ -5668,7 +5668,7 @@ (define_insn "*thumb1_movsi_insn"
    mov\\t%0, %1"
   [(set_attr "length" "2,2,4,4,2,2,2,2,2")
    (set_attr "type" "*,*,*,*,load1,store1,load1,store1,*")
-   (set_attr "pool_range" "*,*,*,*,*,*,1020,*,*")
+   (set_attr "pool_range" "*,*,*,*,*,*,1018,*,*")
    (set_attr "conds" "set,clob,*,*,nocond,nocond,nocond,nocond,nocond")])
 
 (define_split 
@@ -5776,7 +5776,7 @@ (define_insn_and_split "pic_load_addr_unified"
        		     		 (match_dup 2)] UNSPEC_PIC_BASE))]
  "operands[3] = TARGET_THUMB ? GEN_INT (4) : GEN_INT (8);"
  [(set_attr "type" "load1,load1,load1")
-  (set_attr "pool_range" "4096,4096,1024")
+  (set_attr "pool_range" "4096,4094,1022")
   (set_attr "neg_pool_range" "4084,0,0")
   (set_attr "arch"  "a,t2,t1")    
   (set_attr "length" "8,6,4")]
@@ -5792,7 +5792,10 @@ (define_insn "pic_load_addr_32bit"
   "TARGET_32BIT && flag_pic"
   "ldr%?\\t%0, %1"
   [(set_attr "type" "load1")
-   (set_attr "pool_range" "4096")
+   (set (attr "pool_range")
+	(if_then_else (eq_attr "is_thumb" "no")
+		      (const_int 4096)
+		      (const_int 4094)))
    (set (attr "neg_pool_range")
 	(if_then_else (eq_attr "is_thumb" "no")
 		      (const_int 4084)
@@ -5805,7 +5808,7 @@ (define_insn "pic_load_addr_thumb1"
   "TARGET_THUMB1 && flag_pic"
   "ldr\\t%0, %1"
   [(set_attr "type" "load1")
-   (set (attr "pool_range") (const_int 1024))]
+   (set (attr "pool_range") (const_int 1018))]
 )
 
 (define_insn "pic_add_dot_plus_four"
@@ -6600,7 +6603,7 @@ (define_insn "*thumb1_movhf"
   [(set_attr "length" "2")
    (set_attr "type" "*,load1,store1,*,*")
    (set_attr "insn" "mov,*,*,mov,mov")
-   (set_attr "pool_range" "*,1020,*,*,*")
+   (set_attr "pool_range" "*,1018,*,*,*")
    (set_attr "conds" "clob,nocond,nocond,nocond,nocond")])
 
 (define_expand "movsf"
@@ -6655,7 +6658,8 @@ (define_insn "*arm_movsf_soft_insn"
   [(set_attr "predicable" "yes")
    (set_attr "type" "*,load1,store1")
    (set_attr "insn" "mov,*,*")
-   (set_attr "pool_range" "*,4096,*")
+   (set_attr "arm_pool_range" "*,4096,*")
+   (set_attr "thumb2_pool_range" "*,4094,*")
    (set_attr "arm_neg_pool_range" "*,4084,*")
    (set_attr "thumb2_neg_pool_range" "*,0,*")]
 )
@@ -6677,7 +6681,7 @@ (define_insn "*thumb1_movsf_insn"
    mov\\t%0, %1"
   [(set_attr "length" "2")
    (set_attr "type" "*,load1,store1,load1,store1,*,*")
-   (set_attr "pool_range" "*,*,*,1020,*,*,*")
+   (set_attr "pool_range" "*,*,*,1018,*,*,*")
    (set_attr "insn" "*,*,*,*,*,mov,mov")
    (set_attr "conds" "clob,nocond,nocond,nocond,nocond,nocond,nocond")]
 )
@@ -6766,7 +6770,8 @@ (define_insn "*movdf_soft_insn"
   "
   [(set_attr "length" "8,12,16,8,8")
    (set_attr "type" "*,*,*,load2,store2")
-   (set_attr "pool_range" "*,*,*,1020,*")
+   (set_attr "arm_pool_range" "*,*,*,1020,*")
+   (set_attr "thumb2_pool_range" "*,*,*,1018,*")
    (set_attr "arm_neg_pool_range" "*,*,*,1004,*")
    (set_attr "thumb2_neg_pool_range" "*,*,*,0,*")]
 )
@@ -6810,7 +6815,7 @@ (define_insn "*thumb_movdf_insn"
   [(set_attr "length" "4,2,2,6,4,4")
    (set_attr "type" "*,load2,store2,load2,store2,*")
    (set_attr "insn" "*,*,*,*,*,mov")
-   (set_attr "pool_range" "*,*,*,1020,*,*")]
+   (set_attr "pool_range" "*,*,*,1018,*,*")]
 )
 
 
diff --git a/gcc/config/arm/neon.md b/gcc/config/arm/neon.md
index 2103580..8f84795 100644
--- a/src/gcc/config/arm/neon.md
+++ b/src/gcc/config/arm/neon.md
@@ -196,7 +196,8 @@ (define_insn "*neon_mov<mode>"
   (set_attr "type" "*,f_stored,*,f_loadd,*,*,alu,load2,store2")
   (set_attr "insn" "*,*,*,*,*,*,mov,*,*")
   (set_attr "length" "4,4,4,4,4,4,8,8,8")
-  (set_attr "pool_range"     "*,*,*,1020,*,*,*,1020,*")
+  (set_attr "arm_pool_range"     "*,*,*,1020,*,*,*,1020,*")
+  (set_attr "thumb2_pool_range"     "*,*,*,1018,*,*,*,1018,*")
   (set_attr "neg_pool_range" "*,*,*,1004,*,*,*,1004,*")])
 
 (define_insn "*neon_mov<mode>"
@@ -241,7 +242,8 @@ (define_insn "*neon_mov<mode>"
    (set_attr "type" "*,*,*,*,*,*,alu,load4,store4")
    (set_attr "insn" "*,*,*,*,*,*,mov,*,*")
    (set_attr "length" "4,8,4,8,8,8,16,8,16")
-   (set_attr "pool_range" "*,*,*,1020,*,*,*,1020,*")
+   (set_attr "arm_pool_range" "*,*,*,1020,*,*,*,1020,*")
+   (set_attr "thumb2_pool_range" "*,*,*,1018,*,*,*,1018,*")
    (set_attr "neg_pool_range" "*,*,*,996,*,*,*,996,*")])
 
 (define_expand "movti"
diff --git a/gcc/config/arm/thumb2.md b/gcc/config/arm/thumb2.md
index a5302f4..533ae18 100644
--- a/src/gcc/config/arm/thumb2.md
+++ b/src/gcc/config/arm/thumb2.md
@@ -182,7 +182,7 @@ (define_insn "*thumb2_movsi_insn"
    str%?\\t%1, %0"
   [(set_attr "type" "*,*,*,*,load1,load1,store1,store1")
    (set_attr "predicable" "yes")
-   (set_attr "pool_range" "*,*,*,*,1020,4096,*,*")
+   (set_attr "pool_range" "*,*,*,*,1018,4094,*,*")
    (set_attr "neg_pool_range" "*,*,*,*,0,0,*,*")]
 )
 
@@ -217,7 +217,7 @@ (define_insn "*thumb2_movhi_insn"
    ldr%(h%)\\t%0, %1\\t%@ movhi"
   [(set_attr "type" "*,*,store1,load1")
    (set_attr "predicable" "yes")
-   (set_attr "pool_range" "*,*,*,4096")
+   (set_attr "pool_range" "*,*,*,4094")
    (set_attr "neg_pool_range" "*,*,*,250")]
 )
 
@@ -570,7 +570,7 @@ (define_insn "*thumb2_extendqisi_v6"
    ldr%(sb%)\\t%0, %1"
   [(set_attr "type" "alu_shift,load_byte")
    (set_attr "predicable" "yes")
-   (set_attr "pool_range" "*,4096")
+   (set_attr "pool_range" "*,4094")
    (set_attr "neg_pool_range" "*,250")]
 )
 
@@ -583,7 +583,7 @@ (define_insn "*thumb2_zero_extendhisi2_v6"
    ldr%(h%)\\t%0, %1"
   [(set_attr "type" "alu_shift,load_byte")
    (set_attr "predicable" "yes")
-   (set_attr "pool_range" "*,4096")
+   (set_attr "pool_range" "*,4094")
    (set_attr "neg_pool_range" "*,250")]
 )
 
@@ -596,7 +596,7 @@ (define_insn "thumb2_zero_extendqisi2_v6"
    ldr%(b%)\\t%0, %1\\t%@ zero_extendqisi2"
   [(set_attr "type" "alu_shift,load_byte")
    (set_attr "predicable" "yes")
-   (set_attr "pool_range" "*,4096")
+   (set_attr "pool_range" "*,4094")
    (set_attr "neg_pool_range" "*,250")]
 )
 
diff --git a/gcc/config/arm/vfp.md b/gcc/config/arm/vfp.md
index d48d4e6..f31d194 100644
--- a/src/gcc/config/arm/vfp.md
+++ b/src/gcc/config/arm/vfp.md
@@ -123,7 +123,7 @@ (define_insn "*thumb2_movsi_vfp"
    (set_attr "type" "*,*,*,*,load1,load1,store1,store1,r_2_f,f_2_r,fcpys,f_loads,f_stores")
    (set_attr "neon_type" "*,*,*,*,*,*,*,*,neon_mcr,neon_mrc,neon_vmov,*,*")
    (set_attr "insn" "mov,mov,mvn,mov,*,*,*,*,*,*,*,*,*")
-   (set_attr "pool_range"     "*,*,*,*,1020,4096,*,*,*,*,*,1020,*")
+   (set_attr "pool_range"     "*,*,*,*,1018,4094,*,*,*,*,*,1018,*")
    (set_attr "neg_pool_range" "*,*,*,*,   0,   0,*,*,*,*,*,1008,*")]
 )
 
@@ -176,7 +176,8 @@ (define_insn "*movdi_vfp"
                                  (const_int 8)
                                  (const_int 4))]
                               (const_int 4)))
-   (set_attr "pool_range"     "*,*,*,*,1020,4096,*,*,*,*,1020,*")
+   (set_attr "arm_pool_range"     "*,*,*,*,1020,4096,*,*,*,*,1020,*")
+   (set_attr "thumb2_pool_range"     "*,*,*,*,1018,4094,*,*,*,*,1018,*")
    (set_attr "neg_pool_range" "*,*,*,*,1004,0,*,*,*,*,1004,*")
    (set_attr "arch"           "t2,any,any,any,a,t2,any,any,any,any,any,any")]
 )
@@ -224,7 +225,8 @@ (define_insn "*movdi_vfp_cortexa8"
                                  * 4")]
                               (const_int 4)))
    (set_attr "predicable"    "yes")
-   (set_attr "pool_range"     "*,*,*,*,1020,4096,*,*,*,*,1020,*")
+   (set_attr "arm_pool_range"     "*,*,*,*,1018,4094,*,*,*,*,1018,*")
+   (set_attr "thumb2_pool_range"     "*,*,*,*,1018,4094,*,*,*,*,1018,*")
    (set_attr "neg_pool_range" "*,*,*,*,1004,0,*,*,*,*,1004,*")
    (set (attr "ce_count") 
 	(symbol_ref "get_attr_length (insn) / 4"))
@@ -413,7 +415,7 @@ (define_insn "*thumb2_movsf_vfp"
      "r_2_f,f_2_r,fconsts,f_loads,f_stores,load1,store1,fcpys,*")
    (set_attr "neon_type" "neon_mcr,neon_mrc,*,*,*,*,*,neon_vmov,*")
    (set_attr "insn" "*,*,*,*,*,*,*,*,mov")
-   (set_attr "pool_range" "*,*,*,1020,*,4092,*,*,*")
+   (set_attr "pool_range" "*,*,*,1018,*,4090,*,*,*")
    (set_attr "neg_pool_range" "*,*,*,1008,*,0,*,*,*")]
 )
 
@@ -509,7 +511,7 @@ (define_insn "*thumb2_movdf_vfp"
 				 (const_int 8)
 				 (const_int 4))]
 			      (const_int 4)))
-   (set_attr "pool_range" "*,*,*,1020,*,4096,*,*,*")
+   (set_attr "pool_range" "*,*,*,1018,*,4094,*,*,*")
    (set_attr "neg_pool_range" "*,*,*,1008,*,0,*,*,*")]
 )

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