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caller-save.c (init_caller_save): Use word_mode and FIRST_PSEUDO_REGISTER when creating temporary rtxes.

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gcc/
	* caller-save.c (init_caller_save): Use word_mode and
	FIRST_PSEUDO_REGISTER when creating temporary rtxes.
	* expr.c (init_expr_target): Likewise.
	* ira.c (setup_prohibited_mode_move_regs): Likewise.
	* postreload.c (reload_cse_regs_1): Likewise.

From-SVN: r223340
This commit is contained in:
Richard Sandiford 2015-05-19 07:10:15 +00:00 committed by Richard Sandiford
parent 9fccb33594
commit 5d2446b1ed
5 changed files with 16 additions and 8 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2015-05-19 Richard Sandiford <richard.sandiford@arm.com>
* caller-save.c (init_caller_save): Use word_mode and
FIRST_PSEUDO_REGISTER when creating temporary rtxes.
* expr.c (init_expr_target): Likewise.
* ira.c (setup_prohibited_mode_move_regs): Likewise.
* postreload.c (reload_cse_regs_1): Likewise.
2015-05-19 Richard Sandiford <richard.sandiford@arm.com>
* rtl.def (REG): Change format to "r".

4
gcc/caller-save.c
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@ -287,8 +287,8 @@ init_caller_save (void)
To avoid lots of unnecessary RTL allocation, we construct all the RTL
once, then modify the memory and register operands in-place. */
test_reg = gen_rtx_REG (VOIDmode, 0);
test_mem = gen_rtx_MEM (VOIDmode, address);
test_reg = gen_rtx_REG (word_mode, FIRST_PSEUDO_REGISTER);
test_mem = gen_rtx_MEM (word_mode, address);
savepat = gen_rtx_SET (test_mem, test_reg);
restpat = gen_rtx_SET (test_reg, test_mem);

6
gcc/expr.c
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@ -202,12 +202,12 @@ init_expr_target (void)
/* Try indexing by frame ptr and try by stack ptr.
It is known that on the Convex the stack ptr isn't a valid index.
With luck, one or the other is valid on any machine. */
mem = gen_rtx_MEM (VOIDmode, stack_pointer_rtx);
mem1 = gen_rtx_MEM (VOIDmode, frame_pointer_rtx);
mem = gen_rtx_MEM (word_mode, stack_pointer_rtx);
mem1 = gen_rtx_MEM (word_mode, frame_pointer_rtx);
/* A scratch register we can modify in-place below to avoid
useless RTL allocations. */
reg = gen_rtx_REG (VOIDmode, -1);
reg = gen_rtx_REG (word_mode, FIRST_PSEUDO_REGISTER);
insn = rtx_alloc (INSN);
pat = gen_rtx_SET (NULL_RTX, NULL_RTX);

4
gcc/ira.c
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@ -1767,8 +1767,8 @@ setup_prohibited_mode_move_regs (void)
if (ira_prohibited_mode_move_regs_initialized_p)
return;
ira_prohibited_mode_move_regs_initialized_p = true;
test_reg1 = gen_rtx_REG (VOIDmode, 0);
test_reg2 = gen_rtx_REG (VOIDmode, 0);
test_reg1 = gen_rtx_REG (word_mode, FIRST_PSEUDO_REGISTER);
test_reg2 = gen_rtx_REG (word_mode, FIRST_PSEUDO_REGISTER);
move_pat = gen_rtx_SET (test_reg1, test_reg2);
move_insn = gen_rtx_INSN (VOIDmode, 0, 0, 0, move_pat, 0, -1, 0);
for (i = 0; i < NUM_MACHINE_MODES; i++)

2
gcc/postreload.c
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@ -234,7 +234,7 @@ reload_cse_regs_1 (void)
bool cfg_changed = false;
basic_block bb;
rtx_insn *insn;
rtx testreg = gen_rtx_REG (VOIDmode, -1);
rtx testreg = gen_rtx_REG (word_mode, FIRST_PSEUDO_REGISTER);
cselib_init (CSELIB_RECORD_MEMORY);
init_alias_analysis ();