From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- gcc/testsuite/gcc.dg/tree-ssa/20030920-1.c | 112 +++++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/20030920-1.c (limited to 'gcc/testsuite/gcc.dg/tree-ssa/20030920-1.c') diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030920-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20030920-1.c new file mode 100644 index 000000000..e27764aec --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/20030920-1.c @@ -0,0 +1,112 @@ +/* Jump threading was creating FALLTHRU edges out of blocks ending in + GOTO_EXPR. */ + +extern int frame_pointer_needed; + +struct value_data_entry +{ + unsigned int mode; + unsigned int oldest_regno; + unsigned int next_regno; +}; + +struct value_data +{ + struct value_data_entry e[53]; + unsigned int max_value_regs; +}; + +struct rtx_def +{ + unsigned int code: 16; + unsigned int mode : 8; + unsigned int jump : 1; + unsigned int call : 1; + unsigned int unchanging : 1; + unsigned int volatil : 1; + unsigned int in_struct : 1; + unsigned int used : 1; + unsigned integrated : 1; + unsigned frame_related : 1; + int fld[1]; +}; + +typedef struct rtx_def *rtx; + +enum machine_mode { VOIDmode, BImode, QImode, HImode, SImode, DImode, + TImode, OImode, PQImode, PHImode, PSImode, PDImode, QFmode, HFmode, + TQFmode, SFmode, DFmode, XFmode, TFmode, QCmode, HCmode, SCmode, + DCmode, XCmode, TCmode, CQImode, CHImode, CSImode, CDImode, CTImode, + COImode, V1DImode, V2QImode, V2HImode, V2SImode, V2DImode, V4QImode, + V4HImode, V4SImode, V4DImode, V8QImode, V8HImode, V8SImode, V8DImode, + V16QImode, V2HFmode, V2SFmode, V2DFmode, V4HFmode, V4SFmode, V4DFmode, + V8HFmode, V8SFmode, V8DFmode, V16SFmode, BLKmode, CCmode, CCGCmode, + CCGOCmode, CCNOmode, CCZmode, CCFPmode, CCFPUmode, MAX_MACHINE_MODE }; + +enum mode_class { MODE_RANDOM, MODE_INT, MODE_FLOAT, MODE_PARTIAL_INT, MODE_CC, + MODE_COMPLEX_INT, MODE_COMPLEX_FLOAT, + MODE_VECTOR_INT, MODE_VECTOR_FLOAT, + MAX_MODE_CLASS}; + +extern const unsigned char mode_size[(int) MAX_MACHINE_MODE]; +extern const enum mode_class mode_class[(int) MAX_MACHINE_MODE]; + +extern int target_flags; + +static void +copy_value (rtx dest, rtx src, struct value_data *vd) +{ + unsigned int dr = (((dest)->fld[0])); + unsigned int sr = (((src)->fld[0])); + unsigned int dn, sn; + unsigned int i; + + + + if (sr == dr) + return; + + + + if (dr == 7) + return; + + + if (frame_pointer_needed && dr == 6) + return; + + + dn = (((dr) >= 8 && (dr) <= (8 + 7)) || (((dr) >= (20 + 1) && (dr) <= ((20 + 1) + 7)) || ((dr) >= (((((((20 + 1) + 7) + 1) + 7) + 1) + 7) + 1) && (dr) <= ((((((((20 + 1) + 7) + 1) + 7) + 1) + 7) + 1) + 7))) || ((dr) >= (((20 + 1) + 7) + 1) && (dr) <= ((((20 + 1) + 7) + 1) + 7)) ? (((mode_class[(int) (((enum machine_mode) (dest)->mode))]) == MODE_COMPLEX_INT || (mode_class[(int) (((enum machine_mode) (dest)->mode))]) == MODE_COMPLEX_FLOAT) ? 2 : 1) : ((((enum machine_mode) (dest)->mode)) == TFmode ? ((target_flags & 0x00100000) ? 2 : 3) : (((enum machine_mode) (dest)->mode)) == TCmode ? ((target_flags & 0x00100000) ? 4 : 6) : (((mode_size[(int) (((enum machine_mode) (dest)->mode))]) + ((target_flags & 0x00100000) ? 8 : 4) - 1) / ((target_flags & 0x00100000) ? 8 : 4)))); + sn = (((sr) >= 8 && (sr) <= (8 + 7)) || (((sr) >= (20 + 1) && (sr) <= ((20 + 1) + 7)) || ((sr) >= (((((((20 + 1) + 7) + 1) + 7) + 1) + 7) + 1) && (sr) <= ((((((((20 + 1) + 7) + 1) + 7) + 1) + 7) + 1) + 7))) || ((sr) >= (((20 + 1) + 7) + 1) && (sr) <= ((((20 + 1) + 7) + 1) + 7)) ? (((mode_class[(int) (((enum machine_mode) (dest)->mode))]) == MODE_COMPLEX_INT || (mode_class[(int) (((enum machine_mode) (dest)->mode))]) == MODE_COMPLEX_FLOAT) ? 2 : 1) : ((((enum machine_mode) (dest)->mode)) == TFmode ? ((target_flags & 0x00100000) ? 2 : 3) : (((enum machine_mode) (dest)->mode)) == TCmode ? ((target_flags & 0x00100000) ? 4 : 6) : (((mode_size[(int) (((enum machine_mode) (dest)->mode))]) + ((target_flags & 0x00100000) ? 8 : 4) - 1) / ((target_flags & 0x00100000) ? 8 : 4)))); + if ((dr > sr && dr < sr + sn) + || (sr > dr && sr < dr + dn)) + return; + + + + + if (vd->e[sr].mode == VOIDmode) + set_value_regno (sr, vd->e[dr].mode, vd); + else if (sn < (unsigned int) (((sr) >= 8 && (sr) <= (8 + 7)) || (((sr) >= (20 + 1) && (sr) <= ((20 + 1) + 7)) || ((sr) >= (((((((20 + 1) + 7) + 1) + 7) + 1) + 7) + 1) && (sr) <= ((((((((20 + 1) + 7) + 1) + 7) + 1) + 7) + 1) + 7))) || ((sr) >= (((20 + 1) + 7) + 1) && (sr) <= ((((20 + 1) + 7) + 1) + 7)) ? (((mode_class[(int) (vd->e[sr].mode)]) == MODE_COMPLEX_INT || (mode_class[(int) (vd->e[sr].mode)]) == MODE_COMPLEX_FLOAT) ? 2 : 1) : ((vd->e[sr].mode) == TFmode ? ((target_flags & 0x00100000) ? 2 : 3) : (vd->e[sr].mode) == TCmode ? ((target_flags & 0x00100000) ? 4 : 6) : (((mode_size[(int) (vd->e[sr].mode)]) + ((target_flags & 0x00100000) ? 8 : 4) - 1) / ((target_flags & 0x00100000) ? 8 : 4)))) + && ((mode_size[(int) (vd->e[sr].mode)]) > ((target_flags & 0x00100000) ? 8 : 4) + ? 0 : 0)) + return; + + + + + else if (sn > (unsigned int) (((sr) >= 8 && (sr) <= (8 + 7)) || (((sr) >= (20 + 1) && (sr) <= ((20 + 1) + 7)) || ((sr) >= (((((((20 + 1) + 7) + 1) + 7) + 1) + 7) + 1) && (sr) <= ((((((((20 + 1) + 7) + 1) + 7) + 1) + 7) + 1) + 7))) || ((sr) >= (((20 + 1) + 7) + 1) && (sr) <= ((((20 + 1) + 7) + 1) + 7)) ? (((mode_class[(int) (vd->e[sr].mode)]) == MODE_COMPLEX_INT || (mode_class[(int) (vd->e[sr].mode)]) == MODE_COMPLEX_FLOAT) ? 2 : 1) : ((vd->e[sr].mode) == TFmode ? ((target_flags & 0x00100000) ? 2 : 3) : (vd->e[sr].mode) == TCmode ? ((target_flags & 0x00100000) ? 4 : 6) : (((mode_size[(int) (vd->e[sr].mode)]) + ((target_flags & 0x00100000) ? 8 : 4) - 1) / ((target_flags & 0x00100000) ? 8 : 4))))) + return; + + + + vd->e[dr].oldest_regno = vd->e[sr].oldest_regno; + + for (i = sr; vd->e[i].next_regno != (~(unsigned int) 0); i = vd->e[i].next_regno) + continue; + vd->e[i].next_regno = dr; + + + validate_value_data (vd); + +} -- cgit v1.2.3