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A few preliminary GCC 4.7.x changes (nw)

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This commit is contained in:
R. Belmont 2012-06-13 13:14:27 +00:00
parent 9c1e72b8b5
commit 9724ed840e
2 changed files with 16 additions and 8 deletions
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6
src/emu/video/polynew.h
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@ -690,6 +690,12 @@ UINT32 poly_manager<_BaseType, _ObjectData, _MaxParams, _MaxPolys>::render_trian
} }
} }
} }
else // GCC 4.7.0 incorrectly claims these are uninitialized; humor it by initializing in the (hopefully rare) zero parameter case
{
param_start[0] = _BaseType(0.0);
param_dpdx[0] = _BaseType(0.0);
param_dpdy[0] = _BaseType(0.0);
}
// compute the X extents for each scanline // compute the X extents for each scanline
INT32 pixels = 0; INT32 pixels = 0;

18
src/mame/drivers/cobra.c
View File

@ -288,7 +288,7 @@ static void fifo_push(const device_t *cpu, int id, UINT64 data)
printf(" "); printf(" ");
for (i=0; i < 4; i++) for (i=0; i < 4; i++)
{ {
UINT64 val; UINT64 val = 0;
fifo_pop(cpu, id, &val); fifo_pop(cpu, id, &val);
printf("%08X ", (UINT32)(val)); printf("%08X ", (UINT32)(val));
} }
@ -368,7 +368,7 @@ static int fifo_pop(const device_t *cpu, int id, UINT64 *result)
static int fifo_pop_float(const device_t *cpu, int id, float *result) static int fifo_pop_float(const device_t *cpu, int id, float *result)
{ {
UINT64 value; UINT64 value = 0;
int status = fifo_pop(cpu, id, &value); int status = fifo_pop(cpu, id, &value);
*result = u2f((UINT32)(value)); *result = u2f((UINT32)(value));
return status; return status;
@ -1063,7 +1063,7 @@ static void gfx_fifo_exec(cobra_state *cobra)
while (fifo_current_num(GFXFIFO_IN) >= 2) while (fifo_current_num(GFXFIFO_IN) >= 2)
{ {
UINT64 in1, in2; UINT64 in1, in2 = 0;
UINT32 w1, w2; UINT32 w1, w2;
if (gfx_re_status == RE_STATUS_IDLE) if (gfx_re_status == RE_STATUS_IDLE)
@ -1104,6 +1104,8 @@ static void gfx_fifo_exec(cobra_state *cobra)
if (fifo_current_num(GFXFIFO_IN) < 6) if (fifo_current_num(GFXFIFO_IN) < 6)
{ {
// wait until there's enough data in FIFO // wait until there's enough data in FIFO
memset(param, 0, sizeof(param));
memset(w, 0, sizeof(w));
return; return;
} }
@ -1151,7 +1153,7 @@ static void gfx_fifo_exec(cobra_state *cobra)
case 0x0f: case 0x0f:
case 0xf0: case 0xf0:
{ {
UINT64 in3, in4, ignore; UINT64 in3 = 0, in4 = 0, ignore;
// check_mergebus_self(): 0x0F600000 0x10520C00 // check_mergebus_self(): 0x0F600000 0x10520C00
@ -1346,7 +1348,7 @@ static void gfx_fifo_exec(cobra_state *cobra)
for (i=0; i < 3; i++) for (i=0; i < 3; i++)
{ {
UINT64 in; UINT64 in = 0;
fifo_pop(NULL, GFXFIFO_IN, &in); fifo_pop(NULL, GFXFIFO_IN, &in);
fifo_pop(NULL, GFXFIFO_IN, &in); fifo_pop(NULL, GFXFIFO_IN, &in);
@ -1374,7 +1376,7 @@ static void gfx_fifo_exec(cobra_state *cobra)
{ {
for (i=0; i < num; i+=2) for (i=0; i < num; i+=2)
{ {
UINT64 in3, in4; UINT64 in3 = 0, in4 = 0;
fifo_pop(NULL, GFXFIFO_IN, &in3); fifo_pop(NULL, GFXFIFO_IN, &in3);
fifo_pop(NULL, GFXFIFO_IN, &in4); fifo_pop(NULL, GFXFIFO_IN, &in4);
printf(" %08X %08X (%f, %f)\n", (UINT32)(in3), (UINT32)(in4), u2f((UINT32)(in3)), u2f((UINT32)(in4))); printf(" %08X %08X (%f, %f)\n", (UINT32)(in3), (UINT32)(in4), u2f((UINT32)(in3)), u2f((UINT32)(in4)));
@ -1501,7 +1503,7 @@ static void gfx_fifo_exec(cobra_state *cobra)
// writes to n ram location starting from x? // writes to n ram location starting from x?
for (i = 0; i < num; i++) for (i = 0; i < num; i++)
{ {
UINT64 value; UINT64 value = 0;
fifo_pop(NULL, GFXFIFO_IN, &value); fifo_pop(NULL, GFXFIFO_IN, &value);
gfx_gram[reg + (i*4) + 0] = (value >> 24) & 0xff; gfx_gram[reg + (i*4) + 0] = (value >> 24) & 0xff;
@ -1633,7 +1635,7 @@ static void gfx_fifo_exec(cobra_state *cobra)
for (i=0; i < num_left; i++) for (i=0; i < num_left; i++)
{ {
UINT64 param; UINT64 param = 0;
fifo_pop(NULL, GFXFIFO_IN, &param); fifo_pop(NULL, GFXFIFO_IN, &param);
gfx_re_word_count++; gfx_re_word_count++;