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mips: Fix up mips_atomic_assign_expand_fenv [PR94780] 

Commit message shamelessly copied from 1777beb6b1 by jakub:

This function, because it is sometimes called even outside of function
bodies, uses create_tmp_var_raw rather than create_tmp_var.  But in order
for that to work, when first referenced, the VAR_DECLs need to appear in a
TARGET_EXPR so that during gimplification the var gets the right
DECL_CONTEXT and is added to local decls.

gcc/

	PR target/94780
	* config/mips/mips.c (mips_atomic_assign_expand_fenv): Use
	  TARGET_EXPR instead of MODIFY_EXPR.
This commit is contained in:
Xi Ruoyao 2021-07-30 23:44:14 +08:00
parent 45cb789e6a
commit 2065654435
1 changed files with 6 additions and 6 deletions
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12
gcc/config/mips/mips.c
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@ -22439,12 +22439,12 @@ mips_atomic_assign_expand_fenv (tree *hold, tree *clear, tree *update)
tree get_fcsr = mips_builtin_decls[MIPS_GET_FCSR];
tree set_fcsr = mips_builtin_decls[MIPS_SET_FCSR];
tree get_fcsr_hold_call = build_call_expr (get_fcsr, 0);
tree hold_assign_orig = build2 (MODIFY_EXPR, MIPS_ATYPE_USI,
fcsr_orig_var, get_fcsr_hold_call);
tree hold_assign_orig = build4 (TARGET_EXPR, MIPS_ATYPE_USI,
fcsr_orig_var, get_fcsr_hold_call, NULL, NULL);
tree hold_mod_val = build2 (BIT_AND_EXPR, MIPS_ATYPE_USI, fcsr_orig_var,
build_int_cst (MIPS_ATYPE_USI, 0xfffff003));
tree hold_assign_mod = build2 (MODIFY_EXPR, MIPS_ATYPE_USI,
fcsr_mod_var, hold_mod_val);
tree hold_assign_mod = build4 (TARGET_EXPR, MIPS_ATYPE_USI,
fcsr_mod_var, hold_mod_val, NULL, NULL);
tree set_fcsr_hold_call = build_call_expr (set_fcsr, 1, fcsr_mod_var);
tree hold_all = build2 (COMPOUND_EXPR, MIPS_ATYPE_USI,
hold_assign_orig, hold_assign_mod);
@ -22454,8 +22454,8 @@ mips_atomic_assign_expand_fenv (tree *hold, tree *clear, tree *update)
*clear = build_call_expr (set_fcsr, 1, fcsr_mod_var);
tree get_fcsr_update_call = build_call_expr (get_fcsr, 0);
*update = build2 (MODIFY_EXPR, MIPS_ATYPE_USI,
exceptions_var, get_fcsr_update_call);
*update = build4 (TARGET_EXPR, MIPS_ATYPE_USI,
exceptions_var, get_fcsr_update_call, NULL, NULL);
tree set_fcsr_update_call = build_call_expr (set_fcsr, 1, fcsr_orig_var);
*update = build2 (COMPOUND_EXPR, void_type_node, *update,
set_fcsr_update_call);