re PR target/40934 (ICE in get_hard_regnum, at reg-stack.c:741)

2009-08-14  Paolo Bonzini  <bonzini@gnu.org>

	PR target/40934
	* config/i386/i386.c (ix86_fp_comparison_strategy):
	Only enable/disable sahf at function granularity.

gcc/testsuite:
2009-08-14  Paolo Bonzini  <bonzini@gnu.org>

	PR target/40934
	* gcc.target/i386/pr40934.c: New.

From-SVN: r150754

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0862182fe51876f235bff3a4721384cf7d41f396..5e51aea56f20a349549f54ac2413d653c775007b 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2009-08-14  Paolo Bonzini  <bonzini@gnu.org>
+
+       PR target/40934
+       * config/i386/i386.c (ix86_fp_comparison_strategy):
+       Only enable/disable sahf at function granularity. 
+
 2009-08-14  Hans-Peter Nilsson  <hp@axis.com>
 
        PR rtl-optimization/41064

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index acb7753664b6a59f62b53b79a9199e5046802e4f..8b73fca0c6f9e1a10a3c22013969b400e733053f 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -14594,7 +14594,7 @@ ix86_fp_comparison_strategy (enum rtx_code code ATTRIBUTE_UNUSED)
   if (TARGET_CMOVE)
     return IX86_FPCMP_COMI;
 
-  if (TARGET_SAHF && (TARGET_USE_SAHF || optimize_insn_for_size_p ()))
+  if (TARGET_SAHF && (TARGET_USE_SAHF || optimize_function_for_size_p (cfun)))
     return IX86_FPCMP_SAHF;
 
   return IX86_FPCMP_ARITH;

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index db94b62afef6f2da11e34be336c572f16b88752b..e6864f5065e5991ece627315f0fa0d51620e66d5 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2009-08-14  Paolo Bonzini  <bonzini@gnu.org>
+
+       PR target/40934
+       * gcc.target/i386/pr40934.c: New.
+
 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
 
        PR target/41019

diff --git a/gcc/testsuite/gcc.target/i386/pr40934.c b/gcc/testsuite/gcc.target/i386/pr40934.c
new file mode 100644 (file)
index 0000000..41f46f8
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr40934.c
@@ -0,0 +1,15 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target ilp32 } */
+/* { dg-options "-O2 -march=i586 -ffast-math" } */
+
+extern double host_frametime;
+extern float pitchvel;
+V_DriftPitch (float delta, float move)
+{
+  if (!delta)
+    move = host_frametime;
+  if (delta > 0)
+    ;
+  else if (delta < 0 && move > -delta)
+    pitchvel = 0;
+}