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| author | Uros Bizjak <ubizjak@gmail.com> | 2006-12-11 15:06:07 +0100 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2006-12-11 15:06:07 +0100 |
| commit | fa283935def9d8589b50e651a6a9a3af774fe9a3 (patch) | |
| tree | b84b83cd26e28436a111b54380af292b10b0f3c6 /gcc/lambda-code.c | |
| parent | c3f824ce13d83da71f55201f4608db64478e4ef1 (diff) | |
| download | gcc-fa283935def9d8589b50e651a6a9a3af774fe9a3.zip gcc-fa283935def9d8589b50e651a6a9a3af774fe9a3.tar.gz gcc-fa283935def9d8589b50e651a6a9a3af774fe9a3.tar.bz2 | |
re PR target/30120 (silent miscompilation of argument passing)
PR target/30120
Revert:
2006-11-15 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.opt: New target option -mx87regparm.
* config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
float_in_x87: Add new variables. mmx_words, sse_words: Remove.
(X87_REGPARM_MAX): Define.
* config/i386/i386.c (override_options): Error out for
-mx87regparm but no 80387 support.
(ix86_attribute_table): Add x87regparm.
(ix86_handle_cconv_attribute): Update comments for x87regparm.
(ix86_comp_type_attributes): Check for mismatched x87regparm types.
(ix86_function_x87regparm): New function.
(ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
point registers.
(init_cumulative_args): Initialize x87_nregs and float_in_x87
variables.
(function_arg_advance): Process x87_nregs and x87_regno when
floating point argument is to be passed in 80387 register.
(function_arg): Pass XFmode arguments in 80387 registers for local
functions. Pass SFmode and DFmode arguments to local functions
in 80387 registers when flag_unsafe_math_optimizations is set.
* reg-stack.c (convert_regs_entry): Disable NaN load for
stack registers that are used for argument passing.
* doc/extend.texi: Document x87regparm function attribute.
* doc/invoke.texi: Document -mx87regparm.
testsuite/ChangeLog:
PR target/30120
* gcc.target/i386/pr30120.c: New test.
Revert:
2006-11-15 Uros Bizjak <ubizjak@gmail.com>
* gcc.target/i386/x87regparm-1.c: New test.
* gcc.target/i386/x87regparm-2.c: New test.
* gcc.target/i386/x87regparm-3.c: New test.
* gcc.target/i386/x87regparm-4.c: New test.
From-SVN: r119734
Diffstat (limited to 'gcc/lambda-code.c')
0 files changed, 0 insertions, 0 deletions