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-rw-r--r--gcc/ChangeLog21
-rw-r--r--gcc/config/i386/i386.md103
2 files changed, 55 insertions, 69 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e0e55a9..8918dec 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,21 @@
+2010-04-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
+ when generating cltd insn.
+
+ (*ashl<mode>3_1): Remove special handling for register operand 2.
+ (*ashlsi3_1_zext): Ditto.
+ (*ashlhi3_1): Ditto.
+ (*ashlhi3_1_lea): Ditto.
+ (*ashlqi3_1): Ditto.
+ (*ashlqi3_1_lea): Ditto.
+ (*<shiftrt_insn><mode>3_1): Ditto.
+ (*<shiftrt_insn>si3_1_zext): Ditto.
+ (*<shiftrt_insn>qi3_1_slp): Ditto.
+ (*<rotate_insn><mode>3_1): Ditto.
+ (*<rotate_insn>si3_1_zext): Ditto.
+ (*<rotate_insn>qi3_1_slp): Ditto.
+
2010-04-13 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (callused_id): Remove.
@@ -126,8 +144,7 @@
plugin name.
(default_plugin_dir_name): Added new function.
- * common.opt (iplugindir): New option to set the plugin
- directory.
+ * common.opt (iplugindir): New option to set the plugin directory.
2010-04-12 Uros Bizjak <ubizjak@gmail.com>
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 411feaf..b879996 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -4228,7 +4228,8 @@
/* Generate a cltd if possible and doing so it profitable. */
if ((optimize_function_for_size_p (cfun) || TARGET_USE_CLTD)
- && true_regnum (operands[3]) == AX_REG)
+ && true_regnum (operands[3]) == AX_REG
+ && true_regnum (operands[4]) == DX_REG)
{
emit_insn (gen_ashrsi3_cvt (operands[4], operands[3], GEN_INT (31)));
DONE;
@@ -9702,19 +9703,17 @@
{
switch (get_attr_type (insn))
{
+ case TYPE_LEA:
+ return "#";
+
case TYPE_ALU:
gcc_assert (operands[2] == const1_rtx);
gcc_assert (rtx_equal_p (operands[0], operands[1]));
return "add{<imodesuffix>}\t%0, %0";
- case TYPE_LEA:
- return "#";
-
default:
- if (REG_P (operands[2]))
- return "sal{<imodesuffix>}\t{%b2, %0|%0, %b2}";
- else if (operands[2] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
+ if (operands[2] == const1_rtx
+ && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
return "sal{<imodesuffix>}\t%0";
else
return "sal{<imodesuffix>}\t{%2, %0|%0, %2}";
@@ -9751,18 +9750,16 @@
{
switch (get_attr_type (insn))
{
+ case TYPE_LEA:
+ return "#";
+
case TYPE_ALU:
gcc_assert (operands[2] == const1_rtx);
return "add{l}\t%k0, %k0";
- case TYPE_LEA:
- return "#";
-
default:
- if (REG_P (operands[2]))
- return "sal{l}\t{%b2, %k0|%k0, %b2}";
- else if (operands[2] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
+ if (operands[2] == const1_rtx
+ && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
return "sal{l}\t%k0";
else
return "sal{l}\t{%2, %k0|%k0, %2}";
@@ -9803,10 +9800,8 @@
return "add{w}\t%0, %0";
default:
- if (REG_P (operands[2]))
- return "sal{w}\t{%b2, %0|%0, %b2}";
- else if (operands[2] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
+ if (operands[2] == const1_rtx
+ && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
return "sal{w}\t%0";
else
return "sal{w}\t{%2, %0|%0, %2}";
@@ -9843,15 +9838,14 @@
{
case TYPE_LEA:
return "#";
+
case TYPE_ALU:
gcc_assert (operands[2] == const1_rtx);
return "add{w}\t%0, %0";
default:
- if (REG_P (operands[2]))
- return "sal{w}\t{%b2, %0|%0, %b2}";
- else if (operands[2] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
+ if (operands[2] == const1_rtx
+ && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
return "sal{w}\t%0";
else
return "sal{w}\t{%2, %0|%0, %2}";
@@ -9896,18 +9890,11 @@
return "add{b}\t%0, %0";
default:
- if (REG_P (operands[2]))
- {
- if (get_attr_mode (insn) == MODE_SI)
- return "sal{l}\t{%b2, %k0|%k0, %b2}";
- else
- return "sal{b}\t{%b2, %0|%0, %b2}";
- }
- else if (operands[2] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
+ if (operands[2] == const1_rtx
+ && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
{
if (get_attr_mode (insn) == MODE_SI)
- return "sal{l}\t%0";
+ return "sal{l}\t%k0";
else
return "sal{b}\t%0";
}
@@ -9952,6 +9939,7 @@
{
case TYPE_LEA:
return "#";
+
case TYPE_ALU:
gcc_assert (operands[2] == const1_rtx);
if (REG_P (operands[1]) && !ANY_QI_REG_P (operands[1]))
@@ -9960,18 +9948,11 @@
return "add{b}\t%0, %0";
default:
- if (REG_P (operands[2]))
- {
- if (get_attr_mode (insn) == MODE_SI)
- return "sal{l}\t{%b2, %k0|%k0, %b2}";
- else
- return "sal{b}\t{%b2, %0|%0, %b2}";
- }
- else if (operands[2] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
+ if (operands[2] == const1_rtx
+ && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
{
if (get_attr_mode (insn) == MODE_SI)
- return "sal{l}\t%0";
+ return "sal{l}\t%k0";
else
return "sal{b}\t%0";
}
@@ -10384,10 +10365,8 @@
(clobber (reg:CC FLAGS_REG))]
"ix86_binary_operator_ok (<CODE>, <MODE>mode, operands)"
{
- if (REG_P (operands[2]))
- return "<shiftrt>{<imodesuffix>}\t{%b2, %0|%0, %b2}";
- else if (operands[2] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
+ if (operands[2] == const1_rtx
+ && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
return "<shiftrt>{<imodesuffix>}\t%0";
else
return "<shiftrt>{<imodesuffix>}\t{%2, %0|%0, %2}";
@@ -10410,10 +10389,8 @@
(clobber (reg:CC FLAGS_REG))]
"TARGET_64BIT && ix86_binary_operator_ok (<CODE>, SImode, operands)"
{
- if (REG_P (operands[2]))
- return "<shiftrt>{l}\t{%b2, %k0|%k0, %b2}";
- else if (operands[2] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
+ if (operands[2] == const1_rtx
+ && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
return "<shiftrt>{l}\t%k0";
else
return "<shiftrt>{l}\t{%2, %k0|%k0, %2}";
@@ -10438,10 +10415,8 @@
|| (operands[1] == const1_rtx
&& TARGET_SHIFT1))"
{
- if (REG_P (operands[1]))
- return "<shiftrt>{b}\t{%b1, %0|%0, %b1}";
- else if (operands[1] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
+ if (operands[1] == const1_rtx
+ && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
return "<shiftrt>{b}\t%0";
else
return "<shiftrt>{b}\t{%1, %0|%0, %1}";
@@ -10661,10 +10636,8 @@
(clobber (reg:CC FLAGS_REG))]
"ix86_binary_operator_ok (<CODE>, <MODE>mode, operands)"
{
- if (REG_P (operands[2]))
- return "<rotate>{<imodesuffix>}\t{%b2, %0|%0, %b2}";
- else if (operands[2] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
+ if (operands[2] == const1_rtx
+ && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
return "<rotate>{<imodesuffix>}\t%0";
else
return "<rotate>{<imodesuffix>}\t{%2, %0|%0, %2}";
@@ -10687,10 +10660,8 @@
(clobber (reg:CC FLAGS_REG))]
"TARGET_64BIT && ix86_binary_operator_ok (<CODE>, SImode, operands)"
{
- if (REG_P (operands[2]))
- return "<rotate>{l}\t{%b2, %k0|%k0, %b2}";
- else if (operands[2] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
+ if (operands[2] == const1_rtx
+ && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
return "<rotate>{l}\t%k0";
else
return "<rotate>{l}\t{%2, %k0|%k0, %2}";
@@ -10715,10 +10686,8 @@
|| (operands[1] == const1_rtx
&& TARGET_SHIFT1))"
{
- if (REG_P (operands[1]))
- return "<rotate>{b}\t{%b1, %0|%0, %b1}";
- else if (operands[1] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
+ if (operands[1] == const1_rtx
+ && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
return "<rotate>{b}\t%0";
else
return "<rotate>{b}\t{%1, %0|%0, %1}";
generated by cgit v1.1 at 2024-11-05 15:22:43 +0000