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re PR target/35664 (unable to find a register to spill in class 'FP_REGS')

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PR target/35664
	* config/sparc/constraints.md ('e'): Return NO_REGS if !TARGET_FPU.
	('f'): Likewise.

From-SVN: r164512
This commit is contained in:
Eric Botcazou 2010-09-22 08:31:14 +00:00
parent 50842acbc6
commit 77167b6f44
4 changed files with 107 additions and 8 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2010-09-22 Eric Botcazou <ebotcazou@adacore.com>
PR target/35664
* config/sparc/constraints.md ('e'): Return NO_REGS if !TARGET_FPU.
('f'): Likewise.
2010-09-22 Tristan Gingold <gingold@adacore.com>
* config/alpha/alpha.c (alpha_use_linkage): Initialize target field.

4
gcc/config/sparc/constraints.md
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@ -35,10 +35,10 @@
;; In the non-V9 case, coerce V9 'e' class to 'f', so we can use 'e' in the
;; MD file for V8 and V9.
(define_register_constraint "e" "TARGET_V9 ? EXTRA_FP_REGS : FP_REGS"
(define_register_constraint "e" "(TARGET_FPU ? (TARGET_V9 ? EXTRA_FP_REGS : FP_REGS) : NO_REGS)"
"Any floating-point register")
(define_register_constraint "f" "FP_REGS"
(define_register_constraint "f" "(TARGET_FPU ? FP_REGS : NO_REGS)"
"Lower floating-point register")
(define_register_constraint "h" "(TARGET_V9 && TARGET_V8PLUS ? I64_REGS : NO_REGS)"

15
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2010-09-22 Eric Botcazou <ebotcazou@adacore.com>
* gcc.target/sparc/mnofpu.c: New test.
2010-09-22 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/45739
@ -25,12 +29,11 @@
2005-10-11 Fariborz Jahanian <fjahanian@apple.com>
Radar 4291785
objc.dg/naming-4.m: New
objc.dg/naming-5.m: New
obj-c++.dg/naming-1.mm: New
obj-c++.dg/naming-2.mm: New
Radar 4291785
objc.dg/naming-4.m: New
objc.dg/naming-5.m: New
obj-c++.dg/naming-1.mm: New
obj-c++.dg/naming-2.mm: New
2010-09-21 Jonathan Wakely <redi@gcc.gnu.org>
Jack Howarth <howarth@bromo.med.uc.edu>

90
gcc/testsuite/gcc.target/sparc/mnofpu.c Normal file
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@ -0,0 +1,90 @@
/* PR target/35664 */
/* Tetstcase by Mike Stein <mstein.lists@googlemail.com> */
/* { dg-do compile } */
/* { dg-options "-O2 -mno-fpu" } */
typedef unsigned char u8;
typedef unsigned short u16;
typedef unsigned int u32;
typedef unsigned long long u64;
struct pt_regs {
};
static inline __attribute__((always_inline)) struct task_struct *__get_current(void)
{
}
static inline __attribute__((always_inline)) u32 flip_dword (u32 l)
{
return ((l&0xff)<<24) | (((l>>8)&0xff)<<16) | (((l>>16)&0xff)<<8)| ((l>>24)&0xff);
}
static inline __attribute__((always_inline)) u32 __readl(const volatile void *addr)
{
return flip_dword(*( volatile u32 *)addr);
}
enum e1e_registers {
E1000_PRC64 = 0x0405C,
E1000_PRC127 = 0x04060,
E1000_PRC255 = 0x04064,
E1000_PTC511 = 0x040E4,
E1000_PTC1023 = 0x040E8,
E1000_PTC1522 = 0x040EC,
E1000_MPTC = 0x040F0,
};
enum e1000_media_type {
e1000_media_type_copper = 1,
};
struct e1000_rx_desc {
struct {
} wb;
};
struct e1000_hw_stats {
u64 prc64;
u64 prc127;
u64 prc255;
u64 ptc511;
u64 ptc1023;
u64 ptc1522;
u64 mptc;
};
struct e1000_shadow_ram {
u16 value;
};
struct e1000_dev_spec_ich8lan {
struct e1000_shadow_ram shadow_ram[2048];
};
struct e1000_hw {
u8 *hw_addr;
union {
struct e1000_dev_spec_ich8lan ich8lan;
} dev_spec;
enum e1000_media_type media_type;
};
struct e1000_adapter {
u16 link_speed;
struct e1000_hw hw;
struct e1000_hw_stats stats;
unsigned int flags;
};
static inline __attribute__((always_inline)) u32 __er32(struct e1000_hw *hw, unsigned long reg)
{
return __readl(hw->hw_addr + reg);
}
void e1000e_update_stats(struct e1000_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
u16 phy_tmp;
if (adapter->flags & (1 << 10)) {
adapter->stats.prc64 += __er32(hw, E1000_PRC64);
adapter->stats.prc127 += __er32(hw, E1000_PRC127);
adapter->stats.prc255 += __er32(hw, E1000_PRC255);
adapter->stats.ptc511 += __er32(hw, E1000_PTC511);
adapter->stats.ptc1023 += __er32(hw, E1000_PTC1023);
adapter->stats.ptc1522 += __er32(hw, E1000_PTC1522);
}
adapter->stats.mptc += __er32(hw, E1000_MPTC);
if (hw->media_type == e1000_media_type_copper) {
if ((adapter->link_speed == 1000) &&
(!e1e_rphy(hw, 0x0A, &phy_tmp))) {
}
}
}