gcc 4.2.4: another point release in the 4.2 series

1 files changed, 153 insertions, 0 deletions

diff --git a/packages/gcc/gcc-4.2.4/arm-crunch-saveregs.patch b/packages/gcc/gcc-4.2.4/arm-crunch-saveregs.patch
new file mode 100644
index 0000000000..531ae86610
--- /dev/null
+++ b/packages/gcc/gcc-4.2.4/arm-crunch-saveregs.patch
@@ -0,0 +1,153 @@
+diff -ruN /home/hwilliams/openembedded/build/tmp/work/ep9312-angstrom-linux-gnueabi/gcc-cross-4.1.2-r0/gcc-4.1.2/gcc/config/arm/arm.c gcc-4.1.2/gcc/config/arm/arm.c
+--- /home/hwilliams/openembedded/build/tmp/work/ep9312-angstrom-linux-gnueabi/gcc-cross-4.1.2-r0/gcc-4.1.2/gcc/config/arm/arm.c	2007-05-09 16:32:29.000000000 +1000
++++ gcc-4.1.2/gcc/config/arm/arm.c	2007-05-15 09:39:41.000000000 +1000
+@@ -426,7 +435,7 @@
+ #define FL_STRONG     (1 << 8)	      /* StrongARM */
+ #define FL_ARCH5E     (1 << 9)        /* DSP extensions to v5 */
+ #define FL_XSCALE     (1 << 10)	      /* XScale */
+-#define FL_CIRRUS     (1 << 11)	      /* Cirrus/DSP.  */
++#define FL_CIRRUS     (1 << 11)	      /* Cirrus Crunch coprocessor.  */
+ #define FL_ARCH6      (1 << 12)       /* Architecture rel 6.  Adds
+ 					 media instructions.  */
+ #define FL_VFPV2      (1 << 13)       /* Vector Floating Point V2.  */
+@@ -490,7 +499,7 @@
+ /* Nonzero if this chip is a StrongARM.  */
+ int arm_tune_strongarm = 0;
+ 
+-/* Nonzero if this chip is a Cirrus variant.  */
++/* Nonzero if this chip supports Cirrus Crunch coprocessor.  */
+ int arm_arch_cirrus = 0;
+ 
+ /* Nonzero if this chip supports Intel Wireless MMX technology.  */
+@@ -1184,7 +1193,8 @@
+       else
+       */
+       if (arm_arch_cirrus)
+-	arm_fpu_arch = FPUTYPE_MAVERICK;
++        /* Cirrus crunch coprocessor still requires soft-float division.  */
++        arm_fpu_arch = FPUTYPE_MAVERICK;
+       else
+ 	arm_fpu_arch = FPUTYPE_FPA_EMU2;
+ #endif
+@@ -1567,6 +1577,9 @@
+       if (regs_ever_live[regno] && !call_used_regs[regno])
+ 	return 0;
+ 
++  if (TARGET_MAVERICK)
++    return 0;
++
+   if (TARGET_REALLY_IWMMXT)
+     for (regno = FIRST_IWMMXT_REGNUM; regno <= LAST_IWMMXT_REGNUM; regno++)
+       if (regs_ever_live[regno] && ! call_used_regs [regno])
+@@ -9775,7 +9886,19 @@
+       /* This variable is for the Virtual Frame Pointer, not VFP regs.  */
+       int vfp_offset = offsets->frame;
+ 
+-      if (arm_fpu_arch == FPUTYPE_FPA_EMU2)
++      if (arm_fpu_arch == FPUTYPE_MAVERICK)
++    { 
++      for (reg = LAST_CIRRUS_FP_REGNUM; reg >= FIRST_CIRRUS_FP_REGNUM; reg--)
++        if (regs_ever_live[reg] && !call_used_regs[reg])
++          {
++        floats_offset += 8; /* more problems - futaris? */
++        /* if (TARGET_CIRRUS_D0 || TARGET_CIRRUS_D1) */
++            asm_fprintf (f, "\tnop\n");
++        asm_fprintf (f, "\tcfldrd\tmvd%d, [%r, #-%d]\n",
++                 reg - FIRST_CIRRUS_FP_REGNUM, FP_REGNUM, floats_offset - vfp_offset);
++          }
++    }
++      else if (arm_fpu_arch == FPUTYPE_FPA_EMU2)
+ 	{
+ 	  for (reg = LAST_FPA_REGNUM; reg >= FIRST_FPA_REGNUM; reg--)
+ 	    if (regs_ever_live[reg] && !call_used_regs[reg])
+@@ -9924,7 +10047,18 @@
+ 	  output_add_immediate (operands);
+ 	}
+ 
+-      if (arm_fpu_arch == FPUTYPE_FPA_EMU2)
++      if (arm_fpu_arch == FPUTYPE_MAVERICK)
++    { /* order changed - futaris */
++      for (reg = FIRST_CIRRUS_FP_REGNUM; reg <= LAST_CIRRUS_FP_REGNUM; reg++)
++        if (regs_ever_live[reg] && !call_used_regs[reg])
++          {
++            /* if (TARGET_CIRRUS_D0 || TARGET_CIRRUS_D1) */
++              asm_fprintf (f, "\tnop\n");
++            asm_fprintf (f, "\tcfldrd\tmvd%u, [%r], #8\n",
++                reg - FIRST_CIRRUS_FP_REGNUM, SP_REGNUM);
++	      } /* reg problems - futaris */
++	}
++      else if (arm_fpu_arch == FPUTYPE_FPA_EMU2)
+ 	{
+ 	  for (reg = FIRST_FPA_REGNUM; reg <= LAST_FPA_REGNUM; reg++)
+ 	    if (regs_ever_live[reg] && !call_used_regs[reg])
+@@ -10429,9 +10563,19 @@
+       if (! IS_VOLATILE (func_type))
+ 	{
++     /* Space for saved MAVERICK registers.  */
++      if (arm_fpu_arch == FPUTYPE_MAVERICK)
++	{
++	  for (regno = FIRST_CIRRUS_FP_REGNUM; regno <= LAST_CIRRUS_FP_REGNUM; regno++)
++	    if (regs_ever_live[regno] && !call_used_regs[regno])
++	      saved += 8; // 8 in 3.4.3 patch - futaris;
++	}
++      else
+ 	  /* Space for saved FPA registers.  */
++	{
+ 	  for (regno = FIRST_FPA_REGNUM; regno <= LAST_FPA_REGNUM; regno++)
+ 	  if (regs_ever_live[regno] && ! call_used_regs[regno])
+ 	    saved += 12;
++    }
+ 
+ 	  /* Space for saved VFP registers.  */
+ 	  if (TARGET_HARD_FLOAT && TARGET_VFP)
+@@ -10739,7 +10882,19 @@
+ 
+       /* Save any floating point call-saved registers used by this
+ 	 function.  */
+-      if (arm_fpu_arch == FPUTYPE_FPA_EMU2)
++      if (arm_fpu_arch == FPUTYPE_MAVERICK)
++    { 
++      for (reg = LAST_CIRRUS_FP_REGNUM; reg >= FIRST_CIRRUS_FP_REGNUM; reg--)
++        if (regs_ever_live[reg] && !call_used_regs[reg])
++          {
++        insn = gen_rtx_PRE_DEC (DFmode, stack_pointer_rtx); /* think these causes problems */
++        insn = gen_rtx_MEM (DFmode, insn);
++        insn = emit_insn (gen_rtx_SET (VOIDmode, insn,
++                          gen_rtx_REG (DFmode, reg)));
++        RTX_FRAME_RELATED_P (insn) = 1; saved_regs += 8; /* added by futaris */
++	      }
++	}
++      else if (arm_fpu_arch == FPUTYPE_FPA_EMU2)
+ 	{
+ 	  for (reg = LAST_FPA_REGNUM; reg >= FIRST_FPA_REGNUM; reg--)
+ 	    if (regs_ever_live[reg] && !call_used_regs[reg])
+@@ -15179,6 +15331,9 @@
+   if (IS_FPA_REGNUM (regno))
+     return (TARGET_AAPCS_BASED ? 96 : 16) + regno - FIRST_FPA_REGNUM;
+ 
++  if (IS_CIRRUS_REGNUM (regno))
++    return 28 + regno - FIRST_CIRRUS_FP_REGNUM;
++
+   if (IS_VFP_REGNUM (regno))
+     return 64 + regno - FIRST_VFP_REGNUM;
+ 
+--- gcc-4.1.2/gcc/config/arm/arm.md-original	2007-06-28 15:42:36.000000000 +1000
++++ gcc-4.1.2/gcc/config/arm/arm.md	2007-06-28 15:42:48.000000000 +1000
+@@ -9800,7 +9800,7 @@
+   return arm_output_epilogue (next_nonnote_insn (insn));
+   "
+ ;; Length is absolute worst case
+-  [(set_attr "length" "44")
++  [(set_attr "length" "108")
+    (set_attr "type" "block")
+    ;; We don't clobber the conditions, but the potential length of this
+    ;; operation is sufficient to make conditionalizing the sequence 
+@@ -9818,7 +9818,7 @@
+     return thumb_unexpanded_epilogue ();
+   "
+   ; Length is absolute worst case
+-  [(set_attr "length" "44")
++  [(set_attr "length" "108")
+    (set_attr "type" "block")
+    ;; We don't clobber the conditions, but the potential length of this
+    ;; operation is sufficient to make conditionalizing the sequence