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sh.c (sh_get_pr_initial_val): Always wrap in unspec for TARGET_SH1.

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* sh.c (sh_get_pr_initial_val): Always wrap in unspec for TARGET_SH1.
	* sh.md (load_ra): Change insn predicate to TARGET_SH1.

From-SVN: r70410
This commit is contained in:
J"orn Rennecke 2003-08-13 19:20:16 +00:00 committed by Joern Rennecke
parent bc5ad3e6c4
commit dce20bbc11
3 changed files with 12 additions and 3 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2003-08-13 J"orn Rennecke <joern.rennecke@superh.com>
* sh.c (sh_get_pr_initial_val): Always wrap in unspec for TARGET_SH1.
* sh.md (load_ra): Change insn predicate to TARGET_SH1.
2003-08-13 Dale Johannesen <dalej@apple.com>
* config/rs6000/rs6000.md (ctrsi, ctrdi): Reenable

6
gcc/config/sh/sh.c
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@ -8865,9 +8865,13 @@ sh_get_pr_initial_val (void)
then, we end in trouble if we didn't use the register in the same
basic block before. So call get_hard_reg_initial_val now and wrap it
in an unspec if we might need to replace it. */
/* ??? We also must do this for TARGET_SH1 in general, because otherwise
combine can put the pseudo returned by get_hard_reg_initial_val into
instructions that need a general purpose registers, which will fail to
be recognized when the pseudo becomes allocated to PR. */
val
= get_hard_reg_initial_val (Pmode, TARGET_SHMEDIA ? PR_MEDIA_REG : PR_REG);
if (TARGET_SHCOMPACT && rtx_equal_function_value_matters)
if (TARGET_SH1)
return gen_rtx_UNSPEC (SImode, gen_rtvec (1, val), UNSPEC_RA);
return val;
}

4
gcc/config/sh/sh.md
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@ -3475,13 +3475,13 @@
(define_insn_and_split "load_ra"
[(set (match_operand:SI 0 "general_movdst_operand" "")
(unspec:SI [(match_operand 1 "register_operand" "")] UNSPEC_RA))]
"TARGET_SHCOMPACT"
"TARGET_SH1"
"#"
"&& ! rtx_equal_function_value_matters"
[(set (match_dup 0) (match_dup 1))]
"
{
if (current_function_has_nonlocal_label)
if (TARGET_SHCOMPACT && current_function_has_nonlocal_label)
operands[1] = gen_rtx_MEM (SImode, return_address_pointer_rtx);
}")