From 3a3b925d4724e729a7cfe33c4f61e346252a2a2f Mon Sep 17 00:00:00 2001
From: blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Tue, 9 Sep 2008 19:02:49 +0000
Subject: Implement ldxfsr/stxfsr, fix ld(x)fsr masks, convert to TCG

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5185 c046a42c-6fe2-441c-8c8c-71466251a162
---
 target-sparc/op_helper.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

(limited to 'target-sparc/op_helper.c')

diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c
index 75020a92f2..75d648bab1 100644
--- a/target-sparc/op_helper.c
+++ b/target-sparc/op_helper.c
@@ -2487,11 +2487,10 @@ void helper_stqf(target_ulong addr, int mem_idx)
 #endif
 }
 
-void helper_ldfsr(void)
+static inline void set_fsr(void)
 {
     int rnd_mode;
 
-    PUT_FSR32(env, *((uint32_t *) &FT0));
     switch (env->fsr & FSR_RD_MASK) {
     case FSR_RD_NEAREST:
         rnd_mode = float_round_nearest_even;
@@ -2510,11 +2509,20 @@ void helper_ldfsr(void)
     set_float_rounding_mode(rnd_mode, &env->fp_status);
 }
 
-void helper_stfsr(void)
+void helper_ldfsr(uint32_t new_fsr)
 {
-    *((uint32_t *) &FT0) = GET_FSR32(env);
+    env->fsr = (new_fsr & FSR_LDFSR_MASK) | (env->fsr & FSR_LDFSR_OLDMASK);
+    set_fsr();
 }
 
+#ifdef TARGET_SPARC64
+void helper_ldxfsr(uint64_t new_fsr)
+{
+    env->fsr = (new_fsr & FSR_LDXFSR_MASK) | (env->fsr & FSR_LDXFSR_OLDMASK);
+    set_fsr();
+}
+#endif
+
 void helper_debug(void)
 {
     env->exception_index = EXCP_DEBUG;
-- 
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