diff options
Diffstat (limited to 'c/src/exec/score/cpu/sparc/cpu_asm.S')
| -rw-r--r-- | c/src/exec/score/cpu/sparc/cpu_asm.S | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/c/src/exec/score/cpu/sparc/cpu_asm.S b/c/src/exec/score/cpu/sparc/cpu_asm.S index 9e186a0bb9..b5ef4ebf69 100644 --- a/c/src/exec/score/cpu/sparc/cpu_asm.S +++ b/c/src/exec/score/cpu/sparc/cpu_asm.S @@ -52,8 +52,8 @@ SYM(_CPU_Context_save_fp): or %l1, %lo(SPARC_PSR_EF_MASK), %l1 or %l0, %l1, %l0 mov %l0, %psr ! **** ENABLE FLOAT ACCESS **** - - ld [%i0], %l0 + nop; nop; nop; ! Need three nops before EF is + ld [%i0], %l0 ! active due to pipeline delay!!! std %f0, [%l0 + FO_F1_OFFSET] std %f2, [%l0 + F2_F3_OFFSET] std %f4, [%l0 + F4_F5_OFFSET] @@ -101,8 +101,8 @@ SYM(_CPU_Context_restore_fp): or %l1, %lo(SPARC_PSR_EF_MASK), %l1 or %l0, %l1, %l0 mov %l0, %psr ! **** ENABLE FLOAT ACCESS **** - - ld [%i0], %l0 + nop; nop; nop; ! Need three nops before EF is + ld [%i0], %l0 ! active due to pipeline delay!!! ldd [%l0 + FO_F1_OFFSET], %f0 ldd [%l0 + F2_F3_OFFSET], %f2 ldd [%l0 + F4_F5_OFFSET], %f4 |