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authorDavid S. Miller2011-10-31 01:05:49 -0700
committerDavid S. Miller2011-10-31 01:05:49 -0700
commit2e8ecdc008a16b9a6c4b9628bb64d0d1c05f9f92 (patch)
treedda40d127f783e204e149bdbfe42000ce474a5d4 /arch/sparc
parenta52312b88c8103e965979a79a07f6b34af82ca4b (diff)
sparc64: Fix masking and shifting in VIS fpcmp emulation.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/kernel/visemul.c32
1 files changed, 16 insertions, 16 deletions
diff --git a/arch/sparc/kernel/visemul.c b/arch/sparc/kernel/visemul.c
index 32b626c9d815..73370674ccff 100644
--- a/arch/sparc/kernel/visemul.c
+++ b/arch/sparc/kernel/visemul.c
@@ -713,17 +713,17 @@ static void pcmp(struct pt_regs *regs, unsigned int insn, unsigned int opf)
s16 b = (rs2 >> (i * 16)) & 0xffff;
if (a > b)
- rd_val |= 1 << i;
+ rd_val |= 8 >> i;
}
break;
case FCMPGT32_OPF:
for (i = 0; i < 2; i++) {
- s32 a = (rs1 >> (i * 32)) & 0xffff;
- s32 b = (rs2 >> (i * 32)) & 0xffff;
+ s32 a = (rs1 >> (i * 32)) & 0xffffffff;
+ s32 b = (rs2 >> (i * 32)) & 0xffffffff;
if (a > b)
- rd_val |= 1 << i;
+ rd_val |= 2 >> i;
}
break;
@@ -733,17 +733,17 @@ static void pcmp(struct pt_regs *regs, unsigned int insn, unsigned int opf)
s16 b = (rs2 >> (i * 16)) & 0xffff;
if (a <= b)
- rd_val |= 1 << i;
+ rd_val |= 8 >> i;
}
break;
case FCMPLE32_OPF:
for (i = 0; i < 2; i++) {
- s32 a = (rs1 >> (i * 32)) & 0xffff;
- s32 b = (rs2 >> (i * 32)) & 0xffff;
+ s32 a = (rs1 >> (i * 32)) & 0xffffffff;
+ s32 b = (rs2 >> (i * 32)) & 0xffffffff;
if (a <= b)
- rd_val |= 1 << i;
+ rd_val |= 2 >> i;
}
break;
@@ -753,17 +753,17 @@ static void pcmp(struct pt_regs *regs, unsigned int insn, unsigned int opf)
s16 b = (rs2 >> (i * 16)) & 0xffff;
if (a != b)
- rd_val |= 1 << i;
+ rd_val |= 8 >> i;
}
break;
case FCMPNE32_OPF:
for (i = 0; i < 2; i++) {
- s32 a = (rs1 >> (i * 32)) & 0xffff;
- s32 b = (rs2 >> (i * 32)) & 0xffff;
+ s32 a = (rs1 >> (i * 32)) & 0xffffffff;
+ s32 b = (rs2 >> (i * 32)) & 0xffffffff;
if (a != b)
- rd_val |= 1 << i;
+ rd_val |= 2 >> i;
}
break;
@@ -773,17 +773,17 @@ static void pcmp(struct pt_regs *regs, unsigned int insn, unsigned int opf)
s16 b = (rs2 >> (i * 16)) & 0xffff;
if (a == b)
- rd_val |= 1 << i;
+ rd_val |= 8 >> i;
}
break;
case FCMPEQ32_OPF:
for (i = 0; i < 2; i++) {
- s32 a = (rs1 >> (i * 32)) & 0xffff;
- s32 b = (rs2 >> (i * 32)) & 0xffff;
+ s32 a = (rs1 >> (i * 32)) & 0xffffffff;
+ s32 b = (rs2 >> (i * 32)) & 0xffffffff;
if (a == b)
- rd_val |= 1 << i;
+ rd_val |= 2 >> i;
}
break;
}